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| author | Mao Jinlong <quic_jinlmao@quicinc.com> | 2025-05-06 00:57:43 -0700 |
|---|---|---|
| committer | Suzuki K Poulose <suzuki.poulose@arm.com> | 2025-05-07 09:48:19 +0100 |
| commit | 798f589092770f5c584f4a6829fc10e595856239 (patch) | |
| tree | 0f2785defe0d6adcfad8b2bbd62398050c088be1 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | deeeaf6a522160fb262edd76e70240330e4ff8a6 (diff) | |
coresight: Disable MMIO logging for coresight stm driver
With MMIO logging enabled, the MMIO access are traced and could be
sent to an STM device. Thus, an STM driver MMIO access could create
circular call chain with MMIO logging. Disable it for STM driver.
[] stm_source_write[stm_core]+0xc4
[] stm_ftrace_write[stm_ftrace]+0x40
[] trace_event_buffer_commit+0x238
[] trace_event_raw_event_rwmmio_rw_template+0x8c
[] log_post_write_mmio+0xb4
[] writel_relaxed[coresight_stm]+0x80
[] stm_generic_packet[coresight_stm]+0x1a8
[] stm_data_write[stm_core]+0x78
[] stm_source_write[stm_core]+0x7c
[] stm_ftrace_write[stm_ftrace]+0x40
[] trace_event_buffer_commit+0x238
[] trace_event_raw_event_rwmmio_read+0x84
[] log_read_mmio+0xac
[] readl_relaxed[coresight_tmc]+0x50
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Reviewed-by: Leo Yan <leo.yan@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20250506075743.1398257-1-quic_jinlmao@quicinc.com
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions