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-rw-r--r--tools/sched_ext/include/scx/common.bpf.h8
-rw-r--r--tools/sched_ext/scx_qmap.bpf.c4
-rw-r--r--tools/sched_ext/scx_show_state.py2
-rw-r--r--tools/testing/selftests/Makefile9
-rw-r--r--tools/testing/selftests/sched_ext/Makefile73
-rw-r--r--tools/testing/selftests/sched_ext/create_dsq.bpf.c6
-rw-r--r--tools/testing/selftests/sched_ext/ddsp_bogus_dsq_fail.bpf.c4
-rw-r--r--tools/testing/selftests/sched_ext/ddsp_vtimelocal_fail.bpf.c4
-rw-r--r--tools/testing/selftests/sched_ext/dsp_local_on.bpf.c8
-rw-r--r--tools/testing/selftests/sched_ext/enq_last_no_enq_fails.bpf.c8
-rw-r--r--tools/testing/selftests/sched_ext/enq_last_no_enq_fails.c10
-rw-r--r--tools/testing/selftests/sched_ext/enq_select_cpu_fails.bpf.c4
-rw-r--r--tools/testing/selftests/sched_ext/exit.bpf.c22
-rw-r--r--tools/testing/selftests/sched_ext/hotplug.bpf.c8
-rw-r--r--tools/testing/selftests/sched_ext/init_enable_count.bpf.c8
-rw-r--r--tools/testing/selftests/sched_ext/maximal.bpf.c58
-rw-r--r--tools/testing/selftests/sched_ext/maybe_null.bpf.c6
-rw-r--r--tools/testing/selftests/sched_ext/maybe_null_fail_dsp.bpf.c4
-rw-r--r--tools/testing/selftests/sched_ext/maybe_null_fail_yld.bpf.c4
-rw-r--r--tools/testing/selftests/sched_ext/prog_run.bpf.c2
-rw-r--r--tools/testing/selftests/sched_ext/select_cpu_dfl.bpf.c2
-rw-r--r--tools/testing/selftests/sched_ext/select_cpu_dfl_nodispatch.bpf.c6
-rw-r--r--tools/testing/selftests/sched_ext/select_cpu_dispatch.bpf.c2
-rw-r--r--tools/testing/selftests/sched_ext/select_cpu_dispatch_bad_dsq.bpf.c4
-rw-r--r--tools/testing/selftests/sched_ext/select_cpu_dispatch_dbl_dsp.bpf.c4
-rw-r--r--tools/testing/selftests/sched_ext/select_cpu_vtime.bpf.c12
26 files changed, 145 insertions, 137 deletions
diff --git a/tools/sched_ext/include/scx/common.bpf.h b/tools/sched_ext/include/scx/common.bpf.h
index 225f61f9bfca8..248ab790d143e 100644
--- a/tools/sched_ext/include/scx/common.bpf.h
+++ b/tools/sched_ext/include/scx/common.bpf.h
@@ -41,8 +41,8 @@ void scx_bpf_dispatch_vtime(struct task_struct *p, u64 dsq_id, u64 slice, u64 vt
u32 scx_bpf_dispatch_nr_slots(void) __ksym;
void scx_bpf_dispatch_cancel(void) __ksym;
bool scx_bpf_consume(u64 dsq_id) __ksym;
-void scx_bpf_dispatch_from_dsq_set_slice(struct bpf_iter_scx_dsq *it__iter, u64 slice) __ksym;
-void scx_bpf_dispatch_from_dsq_set_vtime(struct bpf_iter_scx_dsq *it__iter, u64 vtime) __ksym;
+void scx_bpf_dispatch_from_dsq_set_slice(struct bpf_iter_scx_dsq *it__iter, u64 slice) __ksym __weak;
+void scx_bpf_dispatch_from_dsq_set_vtime(struct bpf_iter_scx_dsq *it__iter, u64 vtime) __ksym __weak;
bool scx_bpf_dispatch_from_dsq(struct bpf_iter_scx_dsq *it__iter, struct task_struct *p, u64 dsq_id, u64 enq_flags) __ksym __weak;
bool scx_bpf_dispatch_vtime_from_dsq(struct bpf_iter_scx_dsq *it__iter, struct task_struct *p, u64 dsq_id, u64 enq_flags) __ksym __weak;
u32 scx_bpf_reenqueue_local(void) __ksym;
@@ -71,7 +71,7 @@ s32 scx_bpf_pick_any_cpu(const cpumask_t *cpus_allowed, u64 flags) __ksym;
bool scx_bpf_task_running(const struct task_struct *p) __ksym;
s32 scx_bpf_task_cpu(const struct task_struct *p) __ksym;
struct rq *scx_bpf_cpu_rq(s32 cpu) __ksym;
-struct cgroup *scx_bpf_task_cgroup(struct task_struct *p) __ksym;
+struct cgroup *scx_bpf_task_cgroup(struct task_struct *p) __ksym __weak;
/*
* Use the following as @it__iter when calling
@@ -320,7 +320,7 @@ u32 bpf_cpumask_weight(const struct cpumask *cpumask) __ksym;
/*
* Access a cpumask in read-only mode (typically to check bits).
*/
-const struct cpumask *cast_mask(struct bpf_cpumask *mask)
+static __always_inline const struct cpumask *cast_mask(struct bpf_cpumask *mask)
{
return (const struct cpumask *)mask;
}
diff --git a/tools/sched_ext/scx_qmap.bpf.c b/tools/sched_ext/scx_qmap.bpf.c
index 67e2a7968cc91..5d1f880d1149e 100644
--- a/tools/sched_ext/scx_qmap.bpf.c
+++ b/tools/sched_ext/scx_qmap.bpf.c
@@ -230,8 +230,8 @@ void BPF_STRUCT_OPS(qmap_enqueue, struct task_struct *p, u64 enq_flags)
return;
}
- /* if !WAKEUP, select_cpu() wasn't called, try direct dispatch */
- if (!(enq_flags & SCX_ENQ_WAKEUP) &&
+ /* if select_cpu() wasn't called, try direct dispatch */
+ if (!(enq_flags & SCX_ENQ_CPU_SELECTED) &&
(cpu = pick_direct_dispatch_cpu(p, scx_bpf_task_cpu(p))) >= 0) {
__sync_fetch_and_add(&nr_ddsp_from_enq, 1);
scx_bpf_dispatch(p, SCX_DSQ_LOCAL_ON | cpu, slice_ns, enq_flags);
diff --git a/tools/sched_ext/scx_show_state.py b/tools/sched_ext/scx_show_state.py
index 8bc626ede1c48..c4b3fdda9a0b7 100644
--- a/tools/sched_ext/scx_show_state.py
+++ b/tools/sched_ext/scx_show_state.py
@@ -35,6 +35,6 @@ print(f'enabled : {read_static_key("__scx_ops_enabled")}')
print(f'switching_all : {read_int("scx_switching_all")}')
print(f'switched_all : {read_static_key("__scx_switched_all")}')
print(f'enable_state : {ops_state_str(enable_state)} ({enable_state})')
-print(f'bypass_depth : {read_atomic("scx_ops_bypass_depth")}')
+print(f'bypass_depth : {prog["scx_ops_bypass_depth"].value_()}')
print(f'nr_rejected : {read_atomic("scx_nr_rejected")}')
print(f'enable_seq : {read_atomic("scx_enable_seq")}')
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index b38199965f990..363d031a16f7e 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -88,6 +88,7 @@ TARGETS += rlimits
TARGETS += rseq
TARGETS += rtc
TARGETS += rust
+TARGETS += sched_ext
TARGETS += seccomp
TARGETS += sgx
TARGETS += sigaltstack
@@ -129,10 +130,10 @@ ifeq ($(filter net/lib,$(TARGETS)),)
endif
endif
-# User can optionally provide a TARGETS skiplist. By default we skip
-# BPF since it has cutting edge build time dependencies which require
-# more effort to install.
-SKIP_TARGETS ?= bpf
+# User can optionally provide a TARGETS skiplist. By default we skip
+# targets using BPF since it has cutting edge build time dependencies
+# which require more effort to install.
+SKIP_TARGETS ?= bpf sched_ext
ifneq ($(SKIP_TARGETS),)
TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
override TARGETS := $(TMP)
diff --git a/tools/testing/selftests/sched_ext/Makefile b/tools/testing/selftests/sched_ext/Makefile
index 0754a2c110a1a..0117622246007 100644
--- a/tools/testing/selftests/sched_ext/Makefile
+++ b/tools/testing/selftests/sched_ext/Makefile
@@ -3,23 +3,12 @@
include ../../../build/Build.include
include ../../../scripts/Makefile.arch
include ../../../scripts/Makefile.include
-include ../lib.mk
-ifneq ($(LLVM),)
-ifneq ($(filter %/,$(LLVM)),)
-LLVM_PREFIX := $(LLVM)
-else ifneq ($(filter -%,$(LLVM)),)
-LLVM_SUFFIX := $(LLVM)
-endif
-
-CC := $(LLVM_PREFIX)clang$(LLVM_SUFFIX) $(CLANG_FLAGS) -fintegrated-as
-else
-CC := gcc
-endif # LLVM
+TEST_GEN_PROGS := runner
-ifneq ($(CROSS_COMPILE),)
-$(error CROSS_COMPILE not supported for scx selftests)
-endif # CROSS_COMPILE
+# override lib.mk's default rules
+OVERRIDE_TARGETS := 1
+include ../lib.mk
CURDIR := $(abspath .)
REPOROOT := $(abspath ../../../..)
@@ -34,18 +23,23 @@ GENHDR := $(GENDIR)/autoconf.h
SCXTOOLSDIR := $(TOOLSDIR)/sched_ext
SCXTOOLSINCDIR := $(TOOLSDIR)/sched_ext/include
-OUTPUT_DIR := $(CURDIR)/build
+OUTPUT_DIR := $(OUTPUT)/build
OBJ_DIR := $(OUTPUT_DIR)/obj
INCLUDE_DIR := $(OUTPUT_DIR)/include
BPFOBJ_DIR := $(OBJ_DIR)/libbpf
SCXOBJ_DIR := $(OBJ_DIR)/sched_ext
BPFOBJ := $(BPFOBJ_DIR)/libbpf.a
LIBBPF_OUTPUT := $(OBJ_DIR)/libbpf/libbpf.a
-DEFAULT_BPFTOOL := $(OUTPUT_DIR)/sbin/bpftool
-HOST_BUILD_DIR := $(OBJ_DIR)
-HOST_OUTPUT_DIR := $(OUTPUT_DIR)
-VMLINUX_BTF_PATHS ?= ../../../../vmlinux \
+DEFAULT_BPFTOOL := $(OUTPUT_DIR)/host/sbin/bpftool
+HOST_OBJ_DIR := $(OBJ_DIR)/host/bpftool
+HOST_LIBBPF_OUTPUT := $(OBJ_DIR)/host/libbpf/
+HOST_LIBBPF_DESTDIR := $(OUTPUT_DIR)/host/
+HOST_DESTDIR := $(OUTPUT_DIR)/host/
+
+VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
+ $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
+ ../../../../vmlinux \
/sys/kernel/btf/vmlinux \
/boot/vmlinux-$(shell uname -r)
VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
@@ -80,17 +74,23 @@ IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \
# Use '-idirafter': Don't interfere with include mechanics except where the
# build would have failed anyways.
define get_sys_includes
-$(shell $(1) -v -E - </dev/null 2>&1 \
+$(shell $(1) $(2) -v -E - </dev/null 2>&1 \
| sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
-$(shell $(1) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}')
+$(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}')
endef
+ifneq ($(CROSS_COMPILE),)
+CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%))
+endif
+
+CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH))
+
BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) \
$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) \
-I$(CURDIR)/include -I$(CURDIR)/include/bpf-compat \
-I$(INCLUDE_DIR) -I$(APIDIR) -I$(SCXTOOLSINCDIR) \
-I$(REPOROOT)/include \
- $(call get_sys_includes,$(CLANG)) \
+ $(CLANG_SYS_INCLUDES) \
-Wall -Wno-compare-distinct-pointer-types \
-Wno-incompatible-function-pointer-types \
-O2 -mcpu=v3
@@ -98,7 +98,7 @@ BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) \
# sort removes libbpf duplicates when not cross-building
MAKE_DIRS := $(sort $(OBJ_DIR)/libbpf $(OBJ_DIR)/libbpf \
$(OBJ_DIR)/bpftool $(OBJ_DIR)/resolve_btfids \
- $(INCLUDE_DIR) $(SCXOBJ_DIR))
+ $(HOST_OBJ_DIR) $(INCLUDE_DIR) $(SCXOBJ_DIR))
$(MAKE_DIRS):
$(call msg,MKDIR,,$@)
@@ -108,18 +108,19 @@ $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \
$(APIDIR)/linux/bpf.h \
| $(OBJ_DIR)/libbpf
$(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(OBJ_DIR)/libbpf/ \
+ ARCH=$(ARCH) CC="$(CC)" CROSS_COMPILE=$(CROSS_COMPILE) \
EXTRA_CFLAGS='-g -O0 -fPIC' \
DESTDIR=$(OUTPUT_DIR) prefix= all install_headers
$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \
- $(LIBBPF_OUTPUT) | $(OBJ_DIR)/bpftool
+ $(LIBBPF_OUTPUT) | $(HOST_OBJ_DIR)
$(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \
ARCH= CROSS_COMPILE= CC=$(HOSTCC) LD=$(HOSTLD) \
EXTRA_CFLAGS='-g -O0' \
- OUTPUT=$(OBJ_DIR)/bpftool/ \
- LIBBPF_OUTPUT=$(OBJ_DIR)/libbpf/ \
- LIBBPF_DESTDIR=$(OUTPUT_DIR)/ \
- prefix= DESTDIR=$(OUTPUT_DIR)/ install-bin
+ OUTPUT=$(HOST_OBJ_DIR)/ \
+ LIBBPF_OUTPUT=$(HOST_LIBBPF_OUTPUT) \
+ LIBBPF_DESTDIR=$(HOST_LIBBPF_DESTDIR) \
+ prefix= DESTDIR=$(HOST_DESTDIR) install-bin
$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR)
ifeq ($(VMLINUX_H),)
@@ -150,9 +151,7 @@ $(INCLUDE_DIR)/%.bpf.skel.h: $(SCXOBJ_DIR)/%.bpf.o $(INCLUDE_DIR)/vmlinux.h $(BP
override define CLEAN
rm -rf $(OUTPUT_DIR)
- rm -f *.o *.bpf.o *.bpf.skel.h *.bpf.subskel.h
rm -f $(TEST_GEN_PROGS)
- rm -f runner
endef
# Every testcase takes all of the BPF progs are dependencies by default. This
@@ -185,7 +184,7 @@ auto-test-targets := \
testcase-targets := $(addsuffix .o,$(addprefix $(SCXOBJ_DIR)/,$(auto-test-targets)))
-$(SCXOBJ_DIR)/runner.o: runner.c | $(SCXOBJ_DIR)
+$(SCXOBJ_DIR)/runner.o: runner.c | $(SCXOBJ_DIR) $(BPFOBJ)
$(CC) $(CFLAGS) -c $< -o $@
# Create all of the test targets object files, whose testcase objects will be
@@ -196,21 +195,15 @@ $(SCXOBJ_DIR)/runner.o: runner.c | $(SCXOBJ_DIR)
# function doesn't support using implicit rules otherwise.
$(testcase-targets): $(SCXOBJ_DIR)/%.o: %.c $(SCXOBJ_DIR)/runner.o $(all_test_bpfprogs) | $(SCXOBJ_DIR)
$(eval test=$(patsubst %.o,%.c,$(notdir $@)))
- $(CC) $(CFLAGS) -c $< -o $@ $(SCXOBJ_DIR)/runner.o
+ $(CC) $(CFLAGS) -c $< -o $@
$(SCXOBJ_DIR)/util.o: util.c | $(SCXOBJ_DIR)
$(CC) $(CFLAGS) -c $< -o $@
-runner: $(SCXOBJ_DIR)/runner.o $(SCXOBJ_DIR)/util.o $(BPFOBJ) $(testcase-targets)
+$(OUTPUT)/runner: $(SCXOBJ_DIR)/runner.o $(SCXOBJ_DIR)/util.o $(BPFOBJ) $(testcase-targets)
@echo "$(testcase-targets)"
$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
-TEST_GEN_PROGS := runner
-
-all: runner
-
-.PHONY: all clean help
-
.DEFAULT_GOAL := all
.DELETE_ON_ERROR:
diff --git a/tools/testing/selftests/sched_ext/create_dsq.bpf.c b/tools/testing/selftests/sched_ext/create_dsq.bpf.c
index 23f79ed343f02..2cfc4ffd60e28 100644
--- a/tools/testing/selftests/sched_ext/create_dsq.bpf.c
+++ b/tools/testing/selftests/sched_ext/create_dsq.bpf.c
@@ -51,8 +51,8 @@ s32 BPF_STRUCT_OPS_SLEEPABLE(create_dsq_init)
SEC(".struct_ops.link")
struct sched_ext_ops create_dsq_ops = {
- .init_task = create_dsq_init_task,
- .exit_task = create_dsq_exit_task,
- .init = create_dsq_init,
+ .init_task = (void *) create_dsq_init_task,
+ .exit_task = (void *) create_dsq_exit_task,
+ .init = (void *) create_dsq_init,
.name = "create_dsq",
};
diff --git a/tools/testing/selftests/sched_ext/ddsp_bogus_dsq_fail.bpf.c b/tools/testing/selftests/sched_ext/ddsp_bogus_dsq_fail.bpf.c
index e97ad41d354ad..37d9bf6fb7458 100644
--- a/tools/testing/selftests/sched_ext/ddsp_bogus_dsq_fail.bpf.c
+++ b/tools/testing/selftests/sched_ext/ddsp_bogus_dsq_fail.bpf.c
@@ -35,8 +35,8 @@ void BPF_STRUCT_OPS(ddsp_bogus_dsq_fail_exit, struct scx_exit_info *ei)
SEC(".struct_ops.link")
struct sched_ext_ops ddsp_bogus_dsq_fail_ops = {
- .select_cpu = ddsp_bogus_dsq_fail_select_cpu,
- .exit = ddsp_bogus_dsq_fail_exit,
+ .select_cpu = (void *) ddsp_bogus_dsq_fail_select_cpu,
+ .exit = (void *) ddsp_bogus_dsq_fail_exit,
.name = "ddsp_bogus_dsq_fail",
.timeout_ms = 1000U,
};
diff --git a/tools/testing/selftests/sched_ext/ddsp_vtimelocal_fail.bpf.c b/tools/testing/selftests/sched_ext/ddsp_vtimelocal_fail.bpf.c
index dde7e7dafbfbc..dffc97d9cdf14 100644
--- a/tools/testing/selftests/sched_ext/ddsp_vtimelocal_fail.bpf.c
+++ b/tools/testing/selftests/sched_ext/ddsp_vtimelocal_fail.bpf.c
@@ -32,8 +32,8 @@ void BPF_STRUCT_OPS(ddsp_vtimelocal_fail_exit, struct scx_exit_info *ei)
SEC(".struct_ops.link")
struct sched_ext_ops ddsp_vtimelocal_fail_ops = {
- .select_cpu = ddsp_vtimelocal_fail_select_cpu,
- .exit = ddsp_vtimelocal_fail_exit,
+ .select_cpu = (void *) ddsp_vtimelocal_fail_select_cpu,
+ .exit = (void *) ddsp_vtimelocal_fail_exit,
.name = "ddsp_vtimelocal_fail",
.timeout_ms = 1000U,
};
diff --git a/tools/testing/selftests/sched_ext/dsp_local_on.bpf.c b/tools/testing/selftests/sched_ext/dsp_local_on.bpf.c
index efb4672decb41..6a7db1502c29e 100644
--- a/tools/testing/selftests/sched_ext/dsp_local_on.bpf.c
+++ b/tools/testing/selftests/sched_ext/dsp_local_on.bpf.c
@@ -56,10 +56,10 @@ void BPF_STRUCT_OPS(dsp_local_on_exit, struct scx_exit_info *ei)
SEC(".struct_ops.link")
struct sched_ext_ops dsp_local_on_ops = {
- .select_cpu = dsp_local_on_select_cpu,
- .enqueue = dsp_local_on_enqueue,
- .dispatch = dsp_local_on_dispatch,
- .exit = dsp_local_on_exit,
+ .select_cpu = (void *) dsp_local_on_select_cpu,
+ .enqueue = (void *) dsp_local_on_enqueue,
+ .dispatch = (void *) dsp_local_on_dispatch,
+ .exit = (void *) dsp_local_on_exit,
.name = "dsp_local_on",
.timeout_ms = 1000U,
};
diff --git a/tools/testing/selftests/sched_ext/enq_last_no_enq_fails.bpf.c b/tools/testing/selftests/sched_ext/enq_last_no_enq_fails.bpf.c
index b0b99531d5d5d..e1bd13e48889f 100644
--- a/tools/testing/selftests/sched_ext/enq_last_no_enq_fails.bpf.c
+++ b/tools/testing/selftests/sched_ext/enq_last_no_enq_fails.bpf.c
@@ -12,10 +12,18 @@
char _license[] SEC("license") = "GPL";
+u32 exit_kind;
+
+void BPF_STRUCT_OPS_SLEEPABLE(enq_last_no_enq_fails_exit, struct scx_exit_info *info)
+{
+ exit_kind = info->kind;
+}
+
SEC(".struct_ops.link")
struct sched_ext_ops enq_last_no_enq_fails_ops = {
.name = "enq_last_no_enq_fails",
/* Need to define ops.enqueue() with SCX_OPS_ENQ_LAST */
.flags = SCX_OPS_ENQ_LAST,
+ .exit = (void *) enq_last_no_enq_fails_exit,
.timeout_ms = 1000U,
};
diff --git a/tools/testing/selftests/sched_ext/enq_last_no_enq_fails.c b/tools/testing/selftests/sched_ext/enq_last_no_enq_fails.c
index 2a3eda5e2c0b4..73e679953e27a 100644
--- a/tools/testing/selftests/sched_ext/enq_last_no_enq_fails.c
+++ b/tools/testing/selftests/sched_ext/enq_last_no_enq_fails.c
@@ -31,8 +31,12 @@ static enum scx_test_status run(void *ctx)
struct bpf_link *link;
link = bpf_map__attach_struct_ops(skel->maps.enq_last_no_enq_fails_ops);
- if (link) {
- SCX_ERR("Incorrectly succeeded in to attaching scheduler");
+ if (!link) {
+ SCX_ERR("Incorrectly failed at attaching scheduler");
+ return SCX_TEST_FAIL;
+ }
+ if (!skel->bss->exit_kind) {
+ SCX_ERR("Incorrectly stayed loaded");
return SCX_TEST_FAIL;
}
@@ -50,7 +54,7 @@ static void cleanup(void *ctx)
struct scx_test enq_last_no_enq_fails = {
.name = "enq_last_no_enq_fails",
- .description = "Verify we fail to load a scheduler if we specify "
+ .description = "Verify we eject a scheduler if we specify "
"the SCX_OPS_ENQ_LAST flag without defining "
"ops.enqueue()",
.setup = setup,
diff --git a/tools/testing/selftests/sched_ext/enq_select_cpu_fails.bpf.c b/tools/testing/selftests/sched_ext/enq_select_cpu_fails.bpf.c
index b3dfc1033cd6a..1efb50d61040a 100644
--- a/tools/testing/selftests/sched_ext/enq_select_cpu_fails.bpf.c
+++ b/tools/testing/selftests/sched_ext/enq_select_cpu_fails.bpf.c
@@ -36,8 +36,8 @@ void BPF_STRUCT_OPS(enq_select_cpu_fails_enqueue, struct task_struct *p,
SEC(".struct_ops.link")
struct sched_ext_ops enq_select_cpu_fails_ops = {
- .select_cpu = enq_select_cpu_fails_select_cpu,
- .enqueue = enq_select_cpu_fails_enqueue,
+ .select_cpu = (void *) enq_select_cpu_fails_select_cpu,
+ .enqueue = (void *) enq_select_cpu_fails_enqueue,
.name = "enq_select_cpu_fails",
.timeout_ms = 1000U,
};
diff --git a/tools/testing/selftests/sched_ext/exit.bpf.c b/tools/testing/selftests/sched_ext/exit.bpf.c
index ae12ddaac921b..d75d4faf07f6d 100644
--- a/tools/testing/selftests/sched_ext/exit.bpf.c
+++ b/tools/testing/selftests/sched_ext/exit.bpf.c
@@ -15,6 +15,8 @@ UEI_DEFINE(uei);
#define EXIT_CLEANLY() scx_bpf_exit(exit_point, "%d", exit_point)
+#define DSQ_ID 0
+
s32 BPF_STRUCT_OPS(exit_select_cpu, struct task_struct *p,
s32 prev_cpu, u64 wake_flags)
{
@@ -31,7 +33,7 @@ void BPF_STRUCT_OPS(exit_enqueue, struct task_struct *p, u64 enq_flags)
if (exit_point == EXIT_ENQUEUE)
EXIT_CLEANLY();
- scx_bpf_dispatch(p, SCX_DSQ_GLOBAL, SCX_SLICE_DFL, enq_flags);
+ scx_bpf_dispatch(p, DSQ_ID, SCX_SLICE_DFL, enq_flags);
}
void BPF_STRUCT_OPS(exit_dispatch, s32 cpu, struct task_struct *p)
@@ -39,7 +41,7 @@ void BPF_STRUCT_OPS(exit_dispatch, s32 cpu, struct task_struct *p)
if (exit_point == EXIT_DISPATCH)
EXIT_CLEANLY();
- scx_bpf_consume(SCX_DSQ_GLOBAL);
+ scx_bpf_consume(DSQ_ID);
}
void BPF_STRUCT_OPS(exit_enable, struct task_struct *p)
@@ -67,18 +69,18 @@ s32 BPF_STRUCT_OPS_SLEEPABLE(exit_init)
if (exit_point == EXIT_INIT)
EXIT_CLEANLY();
- return 0;
+ return scx_bpf_create_dsq(DSQ_ID, -1);
}
SEC(".struct_ops.link")
struct sched_ext_ops exit_ops = {
- .select_cpu = exit_select_cpu,
- .enqueue = exit_enqueue,
- .dispatch = exit_dispatch,
- .init_task = exit_init_task,
- .enable = exit_enable,
- .exit = exit_exit,
- .init = exit_init,
+ .select_cpu = (void *) exit_select_cpu,
+ .enqueue = (void *) exit_enqueue,
+ .dispatch = (void *) exit_dispatch,
+ .init_task = (void *) exit_init_task,
+ .enable = (void *) exit_enable,
+ .exit = (void *) exit_exit,
+ .init = (void *) exit_init,
.name = "exit",
.timeout_ms = 1000U,
};
diff --git a/tools/testing/selftests/sched_ext/hotplug.bpf.c b/tools/testing/selftests/sched_ext/hotplug.bpf.c
index 8f2601db39f37..6c9f25c9bf53e 100644
--- a/tools/testing/selftests/sched_ext/hotplug.bpf.c
+++ b/tools/testing/selftests/sched_ext/hotplug.bpf.c
@@ -46,16 +46,16 @@ void BPF_STRUCT_OPS_SLEEPABLE(hotplug_cpu_offline, s32 cpu)
SEC(".struct_ops.link")
struct sched_ext_ops hotplug_cb_ops = {
- .cpu_online = hotplug_cpu_online,
- .cpu_offline = hotplug_cpu_offline,
- .exit = hotplug_exit,
+ .cpu_online = (void *) hotplug_cpu_online,
+ .cpu_offline = (void *) hotplug_cpu_offline,
+ .exit = (void *) hotplug_exit,
.name = "hotplug_cbs",
.timeout_ms = 1000U,
};
SEC(".struct_ops.link")
struct sched_ext_ops hotplug_nocb_ops = {
- .exit = hotplug_exit,
+ .exit = (void *) hotplug_exit,
.name = "hotplug_nocbs",
.timeout_ms = 1000U,
};
diff --git a/tools/testing/selftests/sched_ext/init_enable_count.bpf.c b/tools/testing/selftests/sched_ext/init_enable_count.bpf.c
index 47ea89a626c37..5eb9edb1837dc 100644
--- a/tools/testing/selftests/sched_ext/init_enable_count.bpf.c
+++ b/tools/testing/selftests/sched_ext/init_enable_count.bpf.c
@@ -45,9 +45,9 @@ void BPF_STRUCT_OPS(cnt_disable, struct task_struct *p)
SEC(".struct_ops.link")
struct sched_ext_ops init_enable_count_ops = {
- .init_task = cnt_init_task,
- .exit_task = cnt_exit_task,
- .enable = cnt_enable,
- .disable = cnt_disable,
+ .init_task = (void *) cnt_init_task,
+ .exit_task = (void *) cnt_exit_task,
+ .enable = (void *) cnt_enable,
+ .disable = (void *) cnt_disable,
.name = "init_enable_count",
};
diff --git a/tools/testing/selftests/sched_ext/maximal.bpf.c b/tools/testing/selftests/sched_ext/maximal.bpf.c
index 00bfa9cb95d38..4d4cd8d966dba 100644
--- a/tools/testing/selftests/sched_ext/maximal.bpf.c
+++ b/tools/testing/selftests/sched_ext/maximal.bpf.c
@@ -131,34 +131,34 @@ void BPF_STRUCT_OPS(maximal_exit, struct scx_exit_info *info)
SEC(".struct_ops.link")
struct sched_ext_ops maximal_ops = {
- .select_cpu = maximal_select_cpu,
- .enqueue = maximal_enqueue,
- .dequeue = maximal_dequeue,
- .dispatch = maximal_dispatch,
- .runnable = maximal_runnable,
- .running = maximal_running,
- .stopping = maximal_stopping,
- .quiescent = maximal_quiescent,
- .yield = maximal_yield,
- .core_sched_before = maximal_core_sched_before,
- .set_weight = maximal_set_weight,
- .set_cpumask = maximal_set_cpumask,
- .update_idle = maximal_update_idle,
- .cpu_acquire = maximal_cpu_acquire,
- .cpu_release = maximal_cpu_release,
- .cpu_online = maximal_cpu_online,
- .cpu_offline = maximal_cpu_offline,
- .init_task = maximal_init_task,
- .enable = maximal_enable,
- .exit_task = maximal_exit_task,
- .disable = maximal_disable,
- .cgroup_init = maximal_cgroup_init,
- .cgroup_exit = maximal_cgroup_exit,
- .cgroup_prep_move = maximal_cgroup_prep_move,
- .cgroup_move = maximal_cgroup_move,
- .cgroup_cancel_move = maximal_cgroup_cancel_move,
- .cgroup_set_weight = maximal_cgroup_set_weight,
- .init = maximal_init,
- .exit = maximal_exit,
+ .select_cpu = (void *) maximal_select_cpu,
+ .enqueue = (void *) maximal_enqueue,
+ .dequeue = (void *) maximal_dequeue,
+ .dispatch = (void *) maximal_dispatch,
+ .runnable = (void *) maximal_runnable,
+ .running = (void *) maximal_running,
+ .stopping = (void *) maximal_stopping,
+ .quiescent = (void *) maximal_quiescent,
+ .yield = (void *) maximal_yield,
+ .core_sched_before = (void *) maximal_core_sched_before,
+ .set_weight = (void *) maximal_set_weight,
+ .set_cpumask = (void *) maximal_set_cpumask,
+ .update_idle = (void *) maximal_update_idle,
+ .cpu_acquire = (void *) maximal_cpu_acquire,
+ .cpu_release = (void *) maximal_cpu_release,
+ .cpu_online = (void *) maximal_cpu_online,
+ .cpu_offline = (void *) maximal_cpu_offline,
+ .init_task = (void *) maximal_init_task,
+ .enable = (void *) maximal_enable,
+ .exit_task = (void *) maximal_exit_task,
+ .disable = (void *) maximal_disable,
+ .cgroup_init = (void *) maximal_cgroup_init,
+ .cgroup_exit = (void *) maximal_cgroup_exit,
+ .cgroup_prep_move = (void *) maximal_cgroup_prep_move,
+ .cgroup_move = (void *) maximal_cgroup_move,
+ .cgroup_cancel_move = (void *) maximal_cgroup_cancel_move,
+ .cgroup_set_weight = (void *) maximal_cgroup_set_weight,
+ .init = (void *) maximal_init,
+ .exit = (void *) maximal_exit,
.name = "maximal",
};
diff --git a/tools/testing/selftests/sched_ext/maybe_null.bpf.c b/tools/testing/selftests/sched_ext/maybe_null.bpf.c
index 27d0f386acfb1..cf4ae870cd4e5 100644
--- a/tools/testing/selftests/sched_ext/maybe_null.bpf.c
+++ b/tools/testing/selftests/sched_ext/maybe_null.bpf.c
@@ -29,8 +29,8 @@ bool BPF_STRUCT_OPS(maybe_null_success_yield, struct task_struct *from,
SEC(".struct_ops.link")
struct sched_ext_ops maybe_null_success = {
- .dispatch = maybe_null_success_dispatch,
- .yield = maybe_null_success_yield,
- .enable = maybe_null_running,
+ .dispatch = (void *) maybe_null_success_dispatch,
+ .yield = (void *) maybe_null_success_yield,
+ .enable = (void *) maybe_null_running,
.name = "minimal",
};
diff --git a/tools/testing/selftests/sched_ext/maybe_null_fail_dsp.bpf.c b/tools/testing/selftests/sched_ext/maybe_null_fail_dsp.bpf.c
index c0641050271d3..ec724d7b33d18 100644
--- a/tools/testing/selftests/sched_ext/maybe_null_fail_dsp.bpf.c
+++ b/tools/testing/selftests/sched_ext/maybe_null_fail_dsp.bpf.c
@@ -19,7 +19,7 @@ void BPF_STRUCT_OPS(maybe_null_fail_dispatch, s32 cpu, struct task_struct *p)
SEC(".struct_ops.link")
struct sched_ext_ops maybe_null_fail = {
- .dispatch = maybe_null_fail_dispatch,
- .enable = maybe_null_running,
+ .dispatch = (void *) maybe_null_fail_dispatch,
+ .enable = (void *) maybe_null_running,
.name = "maybe_null_fail_dispatch",
};
diff --git a/tools/testing/selftests/sched_ext/maybe_null_fail_yld.bpf.c b/tools/testing/selftests/sched_ext/maybe_null_fail_yld.bpf.c
index 3c1740028e3b9..e6552cace020e 100644
--- a/tools/testing/selftests/sched_ext/maybe_null_fail_yld.bpf.c
+++ b/tools/testing/selftests/sched_ext/maybe_null_fail_yld.bpf.c
@@ -22,7 +22,7 @@ bool BPF_STRUCT_OPS(maybe_null_fail_yield, struct task_struct *from,
SEC(".struct_ops.link")
struct sched_ext_ops maybe_null_fail = {
- .yield = maybe_null_fail_yield,
- .enable = maybe_null_running,
+ .yield = (void *) maybe_null_fail_yield,
+ .enable = (void *) maybe_null_running,
.name = "maybe_null_fail_yield",
};
diff --git a/tools/testing/selftests/sched_ext/prog_run.bpf.c b/tools/testing/selftests/sched_ext/prog_run.bpf.c
index 6a4d7c48e3f22..00c267626a68f 100644
--- a/tools/testing/selftests/sched_ext/prog_run.bpf.c
+++ b/tools/testing/selftests/sched_ext/prog_run.bpf.c
@@ -28,6 +28,6 @@ void BPF_STRUCT_OPS(prog_run_exit, struct scx_exit_info *ei)
SEC(".struct_ops.link")
struct sched_ext_ops prog_run_ops = {
- .exit = prog_run_exit,
+ .exit = (void *) prog_run_exit,
.name = "prog_run",
};
diff --git a/tools/testing/selftests/sched_ext/select_cpu_dfl.bpf.c b/tools/testing/selftests/sched_ext/select_cpu_dfl.bpf.c
index 2ed2991afafe3..f171ac4709706 100644
--- a/tools/testing/selftests/sched_ext/select_cpu_dfl.bpf.c
+++ b/tools/testing/selftests/sched_ext/select_cpu_dfl.bpf.c
@@ -35,6 +35,6 @@ void BPF_STRUCT_OPS(select_cpu_dfl_enqueue, struct task_struct *p,
SEC(".struct_ops.link")
struct sched_ext_ops select_cpu_dfl_ops = {
- .enqueue = select_cpu_dfl_enqueue,
+ .enqueue = (void *) select_cpu_dfl_enqueue,
.name = "select_cpu_dfl",
};
diff --git a/tools/testing/selftests/sched_ext/select_cpu_dfl_nodispatch.bpf.c b/tools/testing/selftests/sched_ext/select_cpu_dfl_nodispatch.bpf.c
index 4bb5abb2d3690..9efdbb7da9288 100644
--- a/tools/testing/selftests/sched_ext/select_cpu_dfl_nodispatch.bpf.c
+++ b/tools/testing/selftests/sched_ext/select_cpu_dfl_nodispatch.bpf.c
@@ -82,8 +82,8 @@ s32 BPF_STRUCT_OPS(select_cpu_dfl_nodispatch_init_task,
SEC(".struct_ops.link")
struct sched_ext_ops select_cpu_dfl_nodispatch_ops = {
- .select_cpu = select_cpu_dfl_nodispatch_select_cpu,
- .enqueue = select_cpu_dfl_nodispatch_enqueue,
- .init_task = select_cpu_dfl_nodispatch_init_task,
+ .select_cpu = (void *) select_cpu_dfl_nodispatch_select_cpu,
+ .enqueue = (void *) select_cpu_dfl_nodispatch_enqueue,
+ .init_task = (void *) select_cpu_dfl_nodispatch_init_task,
.name = "select_cpu_dfl_nodispatch",
};
diff --git a/tools/testing/selftests/sched_ext/select_cpu_dispatch.bpf.c b/tools/testing/selftests/sched_ext/select_cpu_dispatch.bpf.c
index f0b96a4a04b2c..59bfc4f36167a 100644
--- a/tools/testing/selftests/sched_ext/select_cpu_dispatch.bpf.c
+++ b/tools/testing/selftests/sched_ext/select_cpu_dispatch.bpf.c
@@ -35,7 +35,7 @@ dispatch:
SEC(".struct_ops.link")
struct sched_ext_ops select_cpu_dispatch_ops = {
- .select_cpu = select_cpu_dispatch_select_cpu,
+ .select_cpu = (void *) select_cpu_dispatch_select_cpu,
.name = "select_cpu_dispatch",
.timeout_ms = 1000U,
};
diff --git a/tools/testing/selftests/sched_ext/select_cpu_dispatch_bad_dsq.bpf.c b/tools/testing/selftests/sched_ext/select_cpu_dispatch_bad_dsq.bpf.c
index 7b42ddce0f56c..3bbd5fcdfb18e 100644
--- a/tools/testing/selftests/sched_ext/select_cpu_dispatch_bad_dsq.bpf.c
+++ b/tools/testing/selftests/sched_ext/select_cpu_dispatch_bad_dsq.bpf.c
@@ -30,8 +30,8 @@ void BPF_STRUCT_OPS(select_cpu_dispatch_bad_dsq_exit, struct scx_exit_info *ei)
SEC(".struct_ops.link")
struct sched_ext_ops select_cpu_dispatch_bad_dsq_ops = {
- .select_cpu = select_cpu_dispatch_bad_dsq_select_cpu,
- .exit = select_cpu_dispatch_bad_dsq_exit,
+ .select_cpu = (void *) select_cpu_dispatch_bad_dsq_select_cpu,
+ .exit = (void *) select_cpu_dispatch_bad_dsq_exit,
.name = "select_cpu_dispatch_bad_dsq",
.timeout_ms = 1000U,
};
diff --git a/tools/testing/selftests/sched_ext/select_cpu_dispatch_dbl_dsp.bpf.c b/tools/testing/selftests/sched_ext/select_cpu_dispatch_dbl_dsp.bpf.c
index 653e3dc0b4dc8..0fda57fe0ecfa 100644
--- a/tools/testing/selftests/sched_ext/select_cpu_dispatch_dbl_dsp.bpf.c
+++ b/tools/testing/selftests/sched_ext/select_cpu_dispatch_dbl_dsp.bpf.c
@@ -31,8 +31,8 @@ void BPF_STRUCT_OPS(select_cpu_dispatch_dbl_dsp_exit, struct scx_exit_info *ei)
SEC(".struct_ops.link")
struct sched_ext_ops select_cpu_dispatch_dbl_dsp_ops = {
- .select_cpu = select_cpu_dispatch_dbl_dsp_select_cpu,
- .exit = select_cpu_dispatch_dbl_dsp_exit,
+ .select_cpu = (void *) select_cpu_dispatch_dbl_dsp_select_cpu,
+ .exit = (void *) select_cpu_dispatch_dbl_dsp_exit,
.name = "select_cpu_dispatch_dbl_dsp",
.timeout_ms = 1000U,
};
diff --git a/tools/testing/selftests/sched_ext/select_cpu_vtime.bpf.c b/tools/testing/selftests/sched_ext/select_cpu_vtime.bpf.c
index 7f3ebf4fc2ead..e6c67bcf5e6e3 100644
--- a/tools/testing/selftests/sched_ext/select_cpu_vtime.bpf.c
+++ b/tools/testing/selftests/sched_ext/select_cpu_vtime.bpf.c
@@ -81,12 +81,12 @@ s32 BPF_STRUCT_OPS_SLEEPABLE(select_cpu_vtime_init)
SEC(".struct_ops.link")
struct sched_ext_ops select_cpu_vtime_ops = {
- .select_cpu = select_cpu_vtime_select_cpu,
- .dispatch = select_cpu_vtime_dispatch,
- .running = select_cpu_vtime_running,
- .stopping = select_cpu_vtime_stopping,
- .enable = select_cpu_vtime_enable,
- .init = select_cpu_vtime_init,
+ .select_cpu = (void *) select_cpu_vtime_select_cpu,
+ .dispatch = (void *) select_cpu_vtime_dispatch,
+ .running = (void *) select_cpu_vtime_running,
+ .stopping = (void *) select_cpu_vtime_stopping,
+ .enable = (void *) select_cpu_vtime_enable,
+ .init = (void *) select_cpu_vtime_init,
.name = "select_cpu_vtime",
.timeout_ms = 1000U,
};