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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"24 hotfixes. 17 are cc:stable. 15 are MM and 9 are non-MM.
The usual bunch of singletons - please see the relevant changelogs for
details"
* tag 'mm-hotfixes-stable-2024-12-07-22-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (24 commits)
iio: magnetometer: yas530: use signed integer type for clamp limits
sched/numa: fix memory leak due to the overwritten vma->numab_state
mm/damon: fix order of arguments in damos_before_apply tracepoint
lib: stackinit: hide never-taken branch from compiler
mm/filemap: don't call folio_test_locked() without a reference in next_uptodate_folio()
scatterlist: fix incorrect func name in kernel-doc
mm: correct typo in MMAP_STATE() macro
mm: respect mmap hint address when aligning for THP
mm: memcg: declare do_memsw_account inline
mm/codetag: swap tags when migrate pages
ocfs2: update seq_file index in ocfs2_dlm_seq_next
stackdepot: fix stack_depot_save_flags() in NMI context
mm: open-code page_folio() in dump_page()
mm: open-code PageTail in folio_flags() and const_folio_flags()
mm: fix vrealloc()'s KASAN poisoning logic
Revert "readahead: properly shorten readahead when falling back to do_page_cache_ra()"
selftests/damon: add _damon_sysfs.py to TEST_FILES
selftest: hugetlb_dio: fix test naming
ocfs2: free inode when ocfs2_get_init_inode() fails
nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry()
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The test assumes that the packet it is sending is the only packet being
passed to the device.
However, it is not the case and so other packets are filling the buffers
as well. Therefore, the test sometimes fails because it is reading a
maximum occupancy that is larger than expected.
Add egress filters on $h1 and $h2 that will guarantee the above.
Fixes: a865ad999603 ("selftests: mlxsw: Add shared buffer traffic test")
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/64c28bc9b1cc1d78c4a73feda7cedbe9526ccf8b.1733414773.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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On both port_tc_ip_test() and port_tc_arp_test(), the max occupancy is
checked on $h2 twice, when only the error message is different and does not
match the check itself.
Remove the two duplicated test cases from the test.
Fixes: a865ad999603 ("selftests: mlxsw: Add shared buffer traffic test")
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/d9eb26f6fc16a06a30b5c2c16ad80caf502bc561.1733414773.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The test is sending only one packet generated with mausezahn from $h1 to
$h2. However, for some reason, it is testing for non-zero maximum occupancy
in both the ingress pool of $h1 and $h2. The former only passes when $h2
happens to send a packet.
Avoid intermittent failures by removing unintentional test case
regarding the ingress pool of $h1.
Fixes: a865ad999603 ("selftests: mlxsw: Add shared buffer traffic test")
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/5b7344608d5e06f38209e48d8af8c92fa11b6742.1733414773.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull bpf fixes from Daniel Borkmann::
- Fix several issues for BPF LPM trie map which were found by syzbot
and during addition of new test cases (Hou Tao)
- Fix a missing process_iter_arg register type check in the BPF
verifier (Kumar Kartikeya Dwivedi, Tao Lyu)
- Fix several correctness gaps in the BPF verifier when interacting
with the BPF stack without CAP_PERFMON (Kumar Kartikeya Dwivedi,
Eduard Zingerman, Tao Lyu)
- Fix OOB BPF map writes when deleting elements for the case of xsk map
as well as devmap (Maciej Fijalkowski)
- Fix xsk sockets to always clear DMA mapping information when
unmapping the pool (Larysa Zaremba)
- Fix sk_mem_uncharge logic in tcp_bpf_sendmsg to only uncharge after
sent bytes have been finalized (Zijian Zhang)
- Fix BPF sockmap with vsocks which was missing a queue check in poll
and sockmap cleanup on close (Michal Luczaj)
- Fix tools infra to override makefile ARCH variable if defined but
empty, which addresses cross-building tools. (Björn Töpel)
- Fix two resolve_btfids build warnings on unresolved bpf_lsm symbols
(Thomas Weißschuh)
- Fix a NULL pointer dereference in bpftool (Amir Mohammadi)
- Fix BPF selftests to check for CONFIG_PREEMPTION instead of
CONFIG_PREEMPT (Sebastian Andrzej Siewior)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: (31 commits)
selftests/bpf: Add more test cases for LPM trie
selftests/bpf: Move test_lpm_map.c to map_tests
bpf: Use raw_spinlock_t for LPM trie
bpf: Switch to bpf mem allocator for LPM trie
bpf: Fix exact match conditions in trie_get_next_key()
bpf: Handle in-place update for full LPM trie correctly
bpf: Handle BPF_EXIST and BPF_NOEXIST for LPM trie
bpf: Remove unnecessary kfree(im_node) in lpm_trie_update_elem
bpf: Remove unnecessary check when updating LPM trie
selftests/bpf: Add test for narrow spill into 64-bit spilled scalar
selftests/bpf: Add test for reading from STACK_INVALID slots
selftests/bpf: Introduce __caps_unpriv annotation for tests
bpf: Fix narrow scalar spill onto 64-bit spilled scalar slots
bpf: Don't mark STACK_INVALID as STACK_MISC in mark_stack_slot_misc
samples/bpf: Remove unnecessary -I flags from libbpf EXTRA_CFLAGS
bpf: Zero index arg error string for dynptr and iter
selftests/bpf: Add tests for iter arg check
bpf: Ensure reg is PTR_TO_STACK in process_iter_arg
tools: Override makefile ARCH variable if defined, but empty
selftests/bpf: Add apply_bytes test to test_txmsg_redir_wait_sndmem in test_sockmap
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Add more test cases for LPM trie in test_maps:
1) test_lpm_trie_update_flags
It constructs various use cases for BPF_EXIST and BPF_NOEXIST and check
whether the return value of update operation is expected.
2) test_lpm_trie_update_full_maps
It tests the update operations on a full LPM trie map. Adding new node
will fail and overwriting the value of existed node will succeed.
3) test_lpm_trie_iterate_strs and test_lpm_trie_iterate_ints
There two test cases test whether the iteration through get_next_key is
sorted and expected. These two test cases delete the minimal key after
each iteration and check whether next iteration returns the second
minimal key. The only difference between these two test cases is the
former one saves strings in the LPM trie and the latter saves integers.
Without the fix of get_next_key, these two cases will fail as shown
below:
test_lpm_trie_iterate_strs(1091):FAIL:iterate #2 got abc exp abS
test_lpm_trie_iterate_ints(1142):FAIL:iterate #1 got 0x2 exp 0x1
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20241206110622.1161752-10-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Move test_lpm_map.c to map_tests/ to include LPM trie test cases in
regular test_maps run. Most code remains unchanged, including the use of
assert(). Only reduce n_lookups from 64K to 512, which decreases
test_lpm_map runtime from 37s to 0.7s.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20241206110622.1161752-9-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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When running selftests I encountered the following error message with
some damon tests:
# Traceback (most recent call last):
# File "[...]/damon/./damos_quota.py", line 7, in <module>
# import _damon_sysfs
# ModuleNotFoundError: No module named '_damon_sysfs'
Fix this by adding the _damon_sysfs.py file to TEST_FILES so that it
will be available when running the respective damon selftests.
Link: https://lkml.kernel.org/r/20241127-picks-visitor-7416685b-mheyne@amazon.de
Fixes: 306abb63a8ca ("selftests/damon: implement a python module for test-purpose DAMON sysfs controls")
Signed-off-by: Maximilian Heyne <mheyne@amazon.de>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The string logged when a test passes or fails is used by the selftest
framework to identify which test is being reported. The hugetlb_dio test
not only uses the same strings for every test that is run but it also uses
different strings for test passes and failures which means that test
automation is unable to follow what the test is doing at all.
Pull the existing duplicated logging of the number of free huge pages
before and after the test out of the conditional and replace that and the
logging of the result with a single ksft_print_result() which incorporates
the parameters passed into the test into the output.
Link: https://lkml.kernel.org/r/20241127-kselftest-mm-hugetlb-dio-names-v1-1-22aab01bf550@kernel.org
Fixes: fae1980347bf ("selftests: hugetlb_dio: fixup check for initial conditions to skip in the start")
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Donet Tom <donettom@linux.ibm.com>
Cc: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Sometimes it returns other than EOPNOTSUPP for invalid precise_ip so
it cannot check the error code. Let's move the fallback after the
missing feature checks so that it can handle EINVAL as well. This also
aligns well with the existing behavior which blindly turns off the
precise_ip but we check the missing features correctly now.
Fixes: af954f76eea56453 ("perf tools: Check fallback error and order")
Reported-by: kernel test robot <oliver.sang@intel.com>
Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Closes: https://lore.kernel.org/oe-lkp/202411301431.799e5531-lkp@intel.com
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/Z1DV0lN8qHSysX7f@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd fixes from Jason Gunthorpe:
"One bug fix and some documentation updates:
- Correct typos in comments
- Elaborate a comment about how the uAPI works for
IOMMU_HW_INFO_TYPE_ARM_SMMUV3
- Fix a double free on error path and add test coverage for the bug"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommu/arm-smmu-v3: Improve uAPI comment for IOMMU_HW_INFO_TYPE_ARM_SMMUV3
iommufd/selftest: Cover IOMMU_FAULT_QUEUE_ALLOC in iommufd_fail_nth
iommufd: Fix out_fput in iommufd_fault_alloc()
iommufd: Fix typos in kernel-doc comments
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from can and netfilter.
Current release - regressions:
- rtnetlink: fix double call of rtnl_link_get_net_ifla()
- tcp: populate XPS related fields of timewait sockets
- ethtool: fix access to uninitialized fields in set RXNFC command
- selinux: use sk_to_full_sk() in selinux_ip_output()
Current release - new code bugs:
- net: make napi_hash_lock irq safe
- eth:
- bnxt_en: support header page pool in queue API
- ice: fix NULL pointer dereference in switchdev
Previous releases - regressions:
- core: fix icmp host relookup triggering ip_rt_bug
- ipv6:
- avoid possible NULL deref in modify_prefix_route()
- release expired exception dst cached in socket
- smc: fix LGR and link use-after-free issue
- hsr: avoid potential out-of-bound access in fill_frame_info()
- can: hi311x: fix potential use-after-free
- eth: ice: fix VLAN pruning in switchdev mode
Previous releases - always broken:
- netfilter:
- ipset: hold module reference while requesting a module
- nft_inner: incorrect percpu area handling under softirq
- can: j1939: fix skb reference counting
- eth:
- mlxsw: use correct key block on Spectrum-4
- mlx5: fix memory leak in mlx5hws_definer_calc_layout"
* tag 'net-6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (76 commits)
net :mana :Request a V2 response version for MANA_QUERY_GF_STAT
net: avoid potential UAF in default_operstate()
vsock/test: verify socket options after setting them
vsock/test: fix parameter types in SO_VM_SOCKETS_* calls
vsock/test: fix failures due to wrong SO_RCVLOWAT parameter
net/mlx5e: Remove workaround to avoid syndrome for internal port
net/mlx5e: SD, Use correct mdev to build channel param
net/mlx5: E-Switch, Fix switching to switchdev mode in MPV
net/mlx5: E-Switch, Fix switching to switchdev mode with IB device disabled
net/mlx5: HWS: Properly set bwc queue locks lock classes
net/mlx5: HWS: Fix memory leak in mlx5hws_definer_calc_layout
bnxt_en: handle tpa_info in queue API implementation
bnxt_en: refactor bnxt_alloc_rx_rings() to call bnxt_alloc_rx_agg_bmap()
bnxt_en: refactor tpa_info alloc/free into helpers
geneve: do not assume mac header is set in geneve_xmit_skb()
mlxsw: spectrum_acl_flex_keys: Use correct key block on Spectrum-4
ethtool: Fix wrong mod state in case of verbose and no_mask bitset
ipmr: tune the ipmr_can_free_table() checks.
netfilter: nft_set_hash: skip duplicated elements pending gc run
netfilter: ipset: Hold module reference while requesting a module
...
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Benjamin Tissoires:
- regression fix in suspend/resume for i2c-hid (Kenny Levinsen)
- fix wacom driver assuming a name can not be null (WangYuli)
- a couple of constify changes/fixes (Thomas Weißschuh)
- a couple of selftests/hid fixes (Maximilian Heyne & Benjamin
Tissoires)
* tag 'hid-for-linus-2024120501' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
selftests/hid: fix kfunc inclusions with newer bpftool
HID: bpf: drop unneeded casts discarding const
HID: bpf: constify hid_ops
selftests: hid: fix typo and exit code
HID: wacom: fix when get product name maybe null pointer
HID: i2c-hid: Revert to using power commands to wake on resume
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Replace setsockopt() calls with calls to functions that follow
setsockopt() with getsockopt() and check that the returned value and its
size are the same as have been set. (Except in vsock_perf.)
Signed-off-by: Konstantin Shkolnyy <kshk@linux.ibm.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Change parameters of SO_VM_SOCKETS_* to unsigned long long as documented
in the vm_sockets.h, because the corresponding kernel code requires them
to be at least 64-bit, no matter what architecture. Otherwise they are
too small on 32-bit machines.
Fixes: 5c338112e48a ("test/vsock: rework message bounds test")
Fixes: 685a21c314a8 ("test/vsock: add big message test")
Fixes: 542e893fbadc ("vsock/test: two tests to check credit update logic")
Fixes: 8abbffd27ced ("test/vsock: vsock_perf utility")
Signed-off-by: Konstantin Shkolnyy <kshk@linux.ibm.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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This happens on 64-bit big-endian machines.
SO_RCVLOWAT requires an int parameter. However, instead of int, the test
uses unsigned long in one place and size_t in another. Both are 8 bytes
long on 64-bit machines. The kernel, having received the 8 bytes, doesn't
test for the exact size of the parameter, it only cares that it's >=
sizeof(int), and casts the 4 lower-addressed bytes to an int, which, on
a big-endian machine, contains 0. 0 doesn't trigger an error, SO_RCVLOWAT
returns with success and the socket stays with the default SO_RCVLOWAT = 1,
which results in vsock_test failures, while vsock_perf doesn't even notice
that it's failed to change it.
Fixes: b1346338fbae ("vsock_test: POLLIN + SO_RCVLOWAT test")
Fixes: 542e893fbadc ("vsock/test: two tests to check credit update logic")
Fixes: 8abbffd27ced ("test/vsock: vsock_perf utility")
Signed-off-by: Konstantin Shkolnyy <kshk@linux.ibm.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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It should only have generic flags in the array but the recent header
sync brought a new flags to fcntl.h and caused a build error. Let's
update the shell script to exclude flags specific to name_to_handle_at().
CC trace/beauty/fs_at_flags.o
In file included from trace/beauty/fs_at_flags.c:21:
tools/perf/trace/beauty/generated/fs_at_flags_array.c:13:30: error: initialized field overwritten [-Werror=override-init]
13 | [ilog2(0x002) + 1] = "HANDLE_CONNECTABLE",
| ^~~~~~~~~~~~~~~~~~~~
tools/perf/trace/beauty/generated/fs_at_flags_array.c:13:30: note: (near initialization for ‘fs_at_flags[2]’)
Reviewed-by: James Clark <james.clark@linaro.org>
Link: https://lore.kernel.org/r/20241203035349.1901262-12-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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To pick up the changes in this cset:
09d6775f503b393d riscv: Add support for userspace pointer masking
91e102e79740ae43 prctl: arch-agnostic prctl for shadow stack
This addresses these perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/perf/trace/beauty/include/uapi/linux/prctl.h include/uapi/linux/prctl.h
Please see tools/include/uapi/README for further details.
Reviewed-by: James Clark <james.clark@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/20241203035349.1901262-11-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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To pick up the changes in this cset:
aefff51e1c2986e1 statmount: retrieve security mount options
2f4d4503e9e5ab76 statmount: add flag to retrieve unescaped options
44010543fc8bedad fs: add the ability for statmount() to report the sb_source
ed9d95f691c29748 fs: add the ability for statmount() to report the fs_subtype
This addresses these perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/perf/trace/beauty/include/uapi/linux/mount.h include/uapi/linux/mount.h
Please see tools/include/uapi/README for further details.
Reviewed-by: James Clark <james.clark@linaro.org>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Link: https://lore.kernel.org/r/20241203035349.1901262-10-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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To pick up the changes in this cset:
c374196b2b9f4b80 ("fs: name_to_handle_at() support for "explicit connectable" file handles")
95f567f81e43a1bc ("fs: Simplify getattr interface function checking AT_GETATTR_NOSEC flag")
This addresses these perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/perf/trace/beauty/include/uapi/linux/fcntl.h include/uapi/linux/fcntl.h
Please see tools/include/uapi/README for further details.
Reviewed-by: James Clark <james.clark@linaro.org>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: Alexander Aring <alex.aring@gmail.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Link: https://lore.kernel.org/r/20241203035349.1901262-9-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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To pick up the changes in this cset:
3630e82ab6bd2642 ("mman: Add map_shadow_stack() flags")
This addresses these perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/asm-generic/mman.h include/uapi/asm-generic/mman.h
Please see tools/include/uapi/README for further details.
Reviewed-by: James Clark <james.clark@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Mark Brown <broonie@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: linux-arch@vger.kernel.org
Link: https://lore.kernel.org/r/20241203035349.1901262-8-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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To pick up the changes in this cset:
6140be90ec70c39f ("fs/xattr: add *at family syscalls")
This addresses these perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h
diff -u tools/perf/arch/x86/entry/syscalls/syscall_32.tbl arch/x86/entry/syscalls/syscall_32.tbl
diff -u tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
diff -u tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
diff -u tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
diff -u tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl
The arm64 changes are not included as it requires more changes in the
tools. It'll be worked for the later cycle.
Please see tools/include/uapi/README for further details.
Reviewed-by: James Clark <james.clark@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Christian Brauner <brauner@kernel.org>
CC: x86@kernel.org
CC: linux-mips@vger.kernel.org
CC: linuxppc-dev@lists.ozlabs.org
CC: linux-s390@vger.kernel.org
Link: https://lore.kernel.org/r/20241203035349.1901262-7-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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To pick up the changes in this cset:
97413cea1c48cc05 ("KVM: arm64: Add PSCI v1.3 SYSTEM_OFF2 function for hibernation")
This addresses these perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/arch/arm64/include/uapi/asm/kvm.h arch/arm64/include/uapi/asm/kvm.h
Please see tools/include/uapi/README for further details.
Reviewed-by: James Clark <james.clark@linaro.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: kvmarm@lists.linux.dev
Link: https://lore.kernel.org/r/20241203035349.1901262-6-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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To pick up the changes in this cset:
a0423af92cb31e6f ("x86: KVM: Advertise CPUIDs for new instructions in Clearwater Forest")
0c487010cb4f79e4 ("x86/cpufeatures: Add X86_FEATURE_AMD_WORKLOAD_CLASS feature bit")
1ad4667066714369 ("x86/cpufeatures: Add X86_FEATURE_AMD_HETEROGENEOUS_CORES")
104edc6efca62838 ("x86/cpufeatures: Rename X86_FEATURE_FAST_CPPC to have AMD prefix")
3ea87dfa31a7b0bb ("x86/cpufeatures: Add a IBPB_NO_RET BUG flag")
ff898623af2ed564 ("x86/cpufeatures: Define X86_FEATURE_AMD_IBPB_RET")
dcb988cdac85bad1 ("KVM: x86: Quirk initialization of feature MSRs to KVM's max configuration")
This addresses these perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h
diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h
Please see tools/include/uapi/README for further details.
Reviewed-by: James Clark <james.clark@linaro.org>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: x86@kernel.org
Cc: kvm@vger.kernel.org
Link: https://lore.kernel.org/r/20241203035349.1901262-5-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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To pick up the changes in this cset:
e785dfacf7e7fe94 ("LoongArch: KVM: Add PCHPIC device support")
2e8b9df82631e714 ("LoongArch: KVM: Add EIOINTC device support")
c532de5a67a70f85 ("LoongArch: KVM: Add IPI device support")
This addresses these perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h
Please see tools/include/uapi/README for further details.
Reviewed-by: James Clark <james.clark@linaro.org>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Tianrui Zhao <zhaotianrui@loongson.cn>
Cc: Bibo Mao <maobibo@loongson.cn>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: kvm@vger.kernel.org
Cc: loongarch@lists.linux.dev
Link: https://lore.kernel.org/r/20241203035349.1901262-4-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
|
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To pick up the changes in this cset:
18d92bb57c39504d ("perf/core: Add aux_pause, aux_resume, aux_start_paused")
This addresses these perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h
Please see tools/include/uapi/README for further details.
Reviewed-by: James Clark <james.clark@linaro.org>
Link: https://lore.kernel.org/r/20241203035349.1901262-3-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
|
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To pick up the changes in this cset:
56c594d8df64e726 ("drm: add DRM_SET_CLIENT_NAME ioctl")
This addresses these perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/drm/drm.h include/uapi/drm/drm.h
Please see tools/include/uapi/README for further details.
Reviewed-by: James Clark <james.clark@linaro.org>
Cc: David Airlie <airlied@gmail.com>
Cc: Simona Vetter <simona@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: dri-devel@lists.freedesktop.org
Link: https://lore.kernel.org/r/20241203035349.1901262-2-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Add a test case to verify that without CAP_PERFMON, the test now
succeeds instead of failing due to a verification error.
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20241204044757.1483141-6-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
Ensure that when CAP_PERFMON is dropped, and the verifier sees
allow_ptr_leaks as false, we are not permitted to read from a
STACK_INVALID slot. Without the fix, the test will report unexpected
success in loading.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20241204044757.1483141-5-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
Add a __caps_unpriv annotation so that tests requiring specific
capabilities while dropping the rest can conveniently specify them
during selftest declaration instead of munging with capabilities at
runtime from the testing binary.
While at it, let us convert test_verifier_mtu to use this new support
instead.
Since we do not want to include linux/capability.h, we only defined the
four main capabilities BPF subsystem deals with in bpf_misc.h for use in
tests. If the user passes a CAP_SYS_NICE or anything else that's not
defined in the header, capability parsing code will return a warning.
Also reject strtol returning 0. CAP_CHOWN = 0 but we'll never need to
use it, and strtol doesn't errno on failed conversion. Fail the test in
such a case.
The original diff for this idea is available at link [0].
[0]: https://lore.kernel.org/bpf/a1e48f5d9ae133e19adc6adf27e19d585e06bab4.camel@gmail.com
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
[ Kartikeya: rebase on bpf-next, add warn to parse_caps, convert test_verifier_mtu ]
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20241204044757.1483141-4-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
Its used from trace__run(), for the 'perf trace' live mode, i.e. its
strace-like, non-perf.data file processing mode, the most common one.
The trace__run() function will set trace->host using machine__new_host()
that is supposed to give a machine instance representing the running
machine, and since we'll use perf_env__arch_strerrno() to get the right
errno -> string table, we need to use machine->env, so initialize it in
machine__new_host().
Before the patch:
(gdb) run trace --errno-summary -a sleep 1
<SNIP>
Summary of events:
gvfs-afc-volume (3187), 2 events, 0.0%
syscall calls errors total min avg max stddev
(msec) (msec) (msec) (msec) (%)
--------------- -------- ------ -------- --------- --------- --------- ------
pselect6 1 0 0.000 0.000 0.000 0.000 0.00%
GUsbEventThread (3519), 2 events, 0.0%
syscall calls errors total min avg max stddev
(msec) (msec) (msec) (msec) (%)
--------------- -------- ------ -------- --------- --------- --------- ------
poll 1 0 0.000 0.000 0.000 0.000 0.00%
<SNIP>
Program received signal SIGSEGV, Segmentation fault.
0x00000000005caba0 in perf_env__arch_strerrno (env=0x0, err=110) at util/env.c:478
478 if (env->arch_strerrno == NULL)
(gdb) bt
#0 0x00000000005caba0 in perf_env__arch_strerrno (env=0x0, err=110) at util/env.c:478
#1 0x00000000004b75d2 in thread__dump_stats (ttrace=0x14f58f0, trace=0x7fffffffa5b0, fp=0x7ffff6ff74e0 <_IO_2_1_stderr_>) at builtin-trace.c:4673
#2 0x00000000004b78bf in trace__fprintf_thread (fp=0x7ffff6ff74e0 <_IO_2_1_stderr_>, thread=0x10fa0b0, trace=0x7fffffffa5b0) at builtin-trace.c:4708
#3 0x00000000004b7ad9 in trace__fprintf_thread_summary (trace=0x7fffffffa5b0, fp=0x7ffff6ff74e0 <_IO_2_1_stderr_>) at builtin-trace.c:4747
#4 0x00000000004b656e in trace__run (trace=0x7fffffffa5b0, argc=2, argv=0x7fffffffde60) at builtin-trace.c:4456
#5 0x00000000004ba43e in cmd_trace (argc=2, argv=0x7fffffffde60) at builtin-trace.c:5487
#6 0x00000000004c0414 in run_builtin (p=0xec3068 <commands+648>, argc=5, argv=0x7fffffffde60) at perf.c:351
#7 0x00000000004c06bb in handle_internal_command (argc=5, argv=0x7fffffffde60) at perf.c:404
#8 0x00000000004c0814 in run_argv (argcp=0x7fffffffdc4c, argv=0x7fffffffdc40) at perf.c:448
#9 0x00000000004c0b5d in main (argc=5, argv=0x7fffffffde60) at perf.c:560
(gdb)
After:
root@number:~# perf trace -a --errno-summary sleep 1
<SNIP>
pw-data-loop (2685), 1410 events, 16.0%
syscall calls errors total min avg max stddev
(msec) (msec) (msec) (msec) (%)
--------------- -------- ------ -------- --------- --------- --------- ------
epoll_wait 188 0 983.428 0.000 5.231 15.595 8.68%
ioctl 94 0 0.811 0.004 0.009 0.016 2.82%
read 188 0 0.322 0.001 0.002 0.006 5.15%
write 141 0 0.280 0.001 0.002 0.018 8.39%
timerfd_settime 94 0 0.138 0.001 0.001 0.007 6.47%
gnome-control-c (179406), 1848 events, 20.9%
syscall calls errors total min avg max stddev
(msec) (msec) (msec) (msec) (%)
--------------- -------- ------ -------- --------- --------- --------- ------
poll 222 0 959.577 0.000 4.322 21.414 11.40%
recvmsg 150 0 0.539 0.001 0.004 0.013 5.12%
write 300 0 0.442 0.001 0.001 0.007 3.29%
read 150 0 0.183 0.001 0.001 0.009 5.53%
getpid 102 0 0.101 0.000 0.001 0.008 7.82%
root@number:~#
Fixes: 54373b5d53c1f6aa ("perf env: Introduce perf_env__arch_strerrno()")
Reported-by: Veronika Molnarova <vmolnaro@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Veronika Molnarova <vmolnaro@redhat.com>
Acked-by: Michael Petlan <mpetlan@redhat.com>
Tested-by: Michael Petlan <mpetlan@redhat.com>
Link: https://lore.kernel.org/r/Z0XffUgNSv_9OjOi@x1
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
|
|
This was missing in the series introducing the fault object. Thus, add it.
Link: https://patch.msgid.link/r/d61b9b7f73276cc8f1aef9602bd35c486917506e.1733212723.git.nicolinc@nvidia.com
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
|
|
Andrii spotted that process_dynptr_func's rejection of incorrect
argument register type will print an error string where argument numbers
are not zero-indexed, unlike elsewhere in the verifier. Fix this by
subtracting 1 from regno. The same scenario exists for iterator
messages. Fix selftest error strings that match on the exact argument
number while we're at it to ensure clean bisection.
Suggested-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20241203002235.3776418-1-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
Add selftests to cover argument type check for iterator kfuncs, and
cover all three kinds (new, next, destroy). Without the fix in the
previous patch, the selftest would not cause a verifier error.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20241203000238.3602922-3-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
Currently, KF_ARG_PTR_TO_ITER handling missed checking the reg->type and
ensuring it is PTR_TO_STACK. Instead of enforcing this in the caller of
process_iter_arg, move the check into it instead so that all callers
will gain the check by default. This is similar to process_dynptr_func.
An existing selftest in verifier_bits_iter.c fails due to this change,
but it's because it was passing a NULL pointer into iter_next helper and
getting an error further down the checks, but probably meant to pass an
uninitialized iterator on the stack (as is done in the subsequent test
below it). We will gain coverage for non-PTR_TO_STACK arguments in later
patches hence just change the declaration to zero-ed stack object.
Fixes: 06accc8779c1 ("bpf: add support for open-coded iterator loops")
Suggested-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Tao Lyu <tao.lyu@epfl.ch>
[ Kartikeya: move check into process_iter_arg, rewrite commit log ]
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20241203000238.3602922-2-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
This signal handler loops over all tests on ctrl-C, but it's active
while the test list is being constructed. process.pid is 0, then -1,
then finally set to the child pid on fork. If the Ctrl-C is received
during this point a kill(-1, SIGINT) can be sent which affects all
processes.
Make sure the child has forked first before forwarding the signal. This
can be reproduced with ctrl-C immediately after launching perf test
which terminates the ssh connection.
Fixes: 553d5efeb341 ("perf test: Add a signal handler to kill forked child processes")
Signed-off-by: James Clark <james.clark@linaro.org>
Reviewed-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20241129151948.3199732-1-james.clark@linaro.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
|
|
The build-id events written at the end of the record session are broken
due to unexpected data. The write_buildid() writes the fixed length
event first and then variable length filename.
But a recent change made it write more data in the padding area
accidentally. So readers of the event see zero-filled data for the
next entry and treat it incorrectly. This resulted in wrong kernel
symbols because the kernel DSO loaded a random vmlinux image in the
path as it didn't have a valid build-id.
Fixes: ae39ba16554e ("perf inject: Fix build ID injection")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/Z0aRFFW9xMh3mqKB@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
|
|
Clean up the existing export namespace code along the same lines of
commit 33def8498fdd ("treewide: Convert macro and uses of __section(foo)
to __section("foo")") and for the same reason, it is not desired for the
namespace argument to be a macro expansion itself.
Scripted using
git grep -l -e MODULE_IMPORT_NS -e EXPORT_SYMBOL_NS | while read file;
do
awk -i inplace '
/^#define EXPORT_SYMBOL_NS/ {
gsub(/__stringify\(ns\)/, "ns");
print;
next;
}
/^#define MODULE_IMPORT_NS/ {
gsub(/__stringify\(ns\)/, "ns");
print;
next;
}
/MODULE_IMPORT_NS/ {
$0 = gensub(/MODULE_IMPORT_NS\(([^)]*)\)/, "MODULE_IMPORT_NS(\"\\1\")", "g");
}
/EXPORT_SYMBOL_NS/ {
if ($0 ~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+),/) {
if ($0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/ &&
$0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(\)/ &&
$0 !~ /^my/) {
getline line;
gsub(/[[:space:]]*\\$/, "");
gsub(/[[:space:]]/, "", line);
$0 = $0 " " line;
}
$0 = gensub(/(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/,
"\\1(\\2, \"\\3\")", "g");
}
}
{ print }' $file;
done
Requested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://mail.google.com/mail/u/2/#inbox/FMfcgzQXKWgMmjdFwwdsfgxzKpVHWPlc
Acked-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
The continual trickle of small conversion patches is grating on me, and
is really not helping. Just get rid of the 'remove_new' member
function, which is just an alias for the plain 'remove', and had a
comment to that effect:
/*
* .remove_new() is a relic from a prototype conversion of .remove().
* New drivers are supposed to implement .remove(). Once all drivers are
* converted to not use .remove_new any more, it will be dropped.
*/
This was just a tree-wide 'sed' script that replaced '.remove_new' with
'.remove', with some care taken to turn a subsequent tab into two tabs
to make things line up.
I did do some minimal manual whitespace adjustment for places that used
spaces to line things up.
Then I just removed the old (sic) .remove_new member function, and this
is the end result. No more unnecessary conversion noise.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown:
- assorted minor bug fixes
- assorted platform specific tweaks
- initial RAPL PSYS (SysWatt) support
* tag 'turbostat-2024.11.30' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools/power turbostat: 2024.11.30
tools/power turbostat: Add RAPL psys as a built-in counter
tools/power turbostat: Fix child's argument forwarding
tools/power turbostat: Force --no-perf in --dump mode
tools/power turbostat: Add support for /sys/class/drm/card1
tools/power turbostat: Cache graphics sysfs file descriptors during probe
tools/power turbostat: Consolidate graphics sysfs access
tools/power turbostat: Remove unnecessary fflush() call
tools/power turbostat: Enhance platform divergence description
tools/power turbostat: Add initial support for GraniteRapids-D
tools/power turbostat: Remove PC3 support on Lunarlake
tools/power turbostat: Rename arl_features to lnl_features
tools/power turbostat: Add back PC8 support on Arrowlake
tools/power turbostat: Remove PC7/PC9 support on MTL
tools/power turbostat: Honor --show CPU, even when even when num_cpus=1
tools/power turbostat: Fix trailing '\n' parsing
tools/power turbostat: Allow using cpu device in perf counters on hybrid platforms
tools/power turbostat: Fix column printing for PMT xtal_time counters
tools/power turbostat: fix GCC9 build regression
|
|
Pull more kvm updates from Paolo Bonzini:
- ARM fixes
- RISC-V Svade and Svadu (accessed and dirty bit) extension support for
host and guest
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: riscv: selftests: Add Svade and Svadu Extension to get-reg-list test
RISC-V: KVM: Add Svade and Svadu Extensions Support for Guest/VM
dt-bindings: riscv: Add Svade and Svadu Entries
RISC-V: Add Svade and Svadu Extensions Support
KVM: arm64: Use MDCR_EL2.HPME to evaluate overflow of hyp counters
KVM: arm64: Ignore PMCNTENSET_EL0 while checking for overflow status
KVM: arm64: Mark set_sysreg_masks() as inline to avoid build failure
KVM: arm64: vgic-its: Add stronger type-checking to the ITS entry sizes
KVM: arm64: vgic: Kill VGIC_MAX_PRIVATE definition
KVM: arm64: vgic: Make vgic_get_irq() more robust
KVM: arm64: vgic-v3: Sanitise guest writes to GICR_INVLPIR
|
|
Extend the rss_ctx test suite to test that an ntuple action that
redirects to an RSS context contains that information in `ethtool -n`.
Otherwise the output from ethtool is highly deceiving. This test helps
ensure drivers are compliant with the API.
Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Link: https://patch.msgid.link/759870e430b7c93ecaae6e448f30a47284c59637.1732748253.git.dxu@dxuuu.xyz
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
since 2024.07.26:
assorted minor bug fixes
assorted platform specific tweaks
initial RAPL PSYS (SysWatt) support
Signed-off-by: Len Brown <len.brown@intel.com>
|
|
Introduce the counter as a part of global, platform counters structure.
We open the counter for only one cpu, but otherwise treat it as an
ordinary RAPL counter, allowing for grouped perf read.
The counter is disabled by default, because it's interpretation may
require additional, platform specific information, making it unsuitable
for general use.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
|
|
Add '+' to optstring when early scanning for --no-msr and --no-perf.
It causes option processing to stop as soon as a nonoption argument is
encountered, effectively skipping child's arguments.
Fixes: 3e4048466c39 ("tools/power turbostat: Add --no-msr option")
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
|
|
Force the --no-perf early to prevent using it as a source. User asks for
raw values, but perf returns them relative to the opening of the file
descriptor.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
|
|
On some machines, the graphics device is enumerated as
/sys/class/drm/card1 instead of /sys/class/drm/card0. The current
implementation does not handle this scenario, resulting in the loss of
graphics C6 residency and frequency information.
Add support for /sys/class/drm/card1, ensuring that turbostat can
retrieve and display the graphics columns for these platforms.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
|
|
Snapshots of the graphics sysfs knobs are taken based on file
descriptors. To optimize this process, open the files and cache the file
descriptors during the graphics probe phase. As a result, the previously
cached pathnames become redundant and are removed.
This change aims to streamline the code without altering its functionality.
No functional change intended.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
|
|
Currently, there is an inconsistency in how graphics sysfs knobs are
accessed: graphics residency sysfs knobs are opened and closed for each
read, while graphics frequency sysfs knobs are opened once and remain
open until turbostat exits. This inconsistency is confusing and adds
unnecessary code complexity.
Consolidate the access method by opening the sysfs files once and
reusing the file pointers for subsequent accesses. This approach
simplifies the code and ensures a consistent method for accessing
graphics sysfs knobs.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
|
|
The graphics sysfs knobs are read-only, making the use of fflush()
before reading them redundant.
Remove the unnecessary fflush() call.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
|
