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01513fdc18
linux/tools/perf
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Ian Rogers 01513fdc18 perf stat: Use sig_atomic_t to avoid undefined behaviour in a signal handler 
Use sig_atomic_t for variables written/accessed in signal
handlers. This is undefined behavior as per:

  https://wiki.sei.cmu.edu/confluence/display/c/SIG31-C.+Do+not+access+shared+objects+in+signal+handlers

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20221024181913.630986-7-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-11-03 09:37:31 -03:00
..
arch perf tools: Move 'struct perf_sample' to a separate header file to disentangle headers 2022-10-31 11:06:41 -03:00
bench perf tools: Move 'struct perf_sample' to a separate header file to disentangle headers 2022-10-31 11:06:41 -03:00
dlfilters perf dlfilter dlfilter-show-cycles: Fix types for print format 2022-09-08 12:17:45 -03:00
Documentation perf tools: Make quiet mode consistent between tools 2022-10-27 16:37:26 -03:00
examples/bpf
include perf dlfilter: Add machine_pid and vcpu 2022-07-20 11:08:13 -03:00
jvmti
pmu-events perf vendor events riscv: add Sifive U74 JSON file 2022-10-27 16:37:25 -03:00
python perf python: Convert tracepoint.py example to python3 2022-04-01 16:19:35 -03:00
scripts perf scripts python: intel-pt-events.py: Add ability interleave output 2022-10-27 16:37:26 -03:00
tests perf test: Parse events workaround for dash/minus 2022-10-31 11:07:25 -03:00
trace tools headers uapi: Sync linux/stat.h with the kernel sources 2022-10-25 17:40:48 -03:00
ui perf tools: Fix "kernel lock contention analysis" test by not printing warnings in quiet mode 2022-10-27 16:37:26 -03:00
util perf session: Change type to avoid undefined behaviour in a signal handler 2022-11-03 09:36:32 -03:00
.gitignore perf test: Add git ignore for tmp and output files of ARM CoreSight tests 2022-10-06 14:50:55 -03:00
Build perf kwork: New tool to trace time properties of kernel work (such as softirq, and workqueue) 2022-07-26 16:01:24 -03:00
builtin-annotate.c perf tools: Make quiet mode consistent between tools 2022-10-27 16:37:26 -03:00
builtin-bench.c perf bench: Add breakpoint benchmarks 2022-05-13 11:00:38 -03:00
builtin-buildid-cache.c perf record: Disable debuginfod by default 2022-01-15 17:41:25 -03:00
builtin-buildid-list.c perf buildid-list: Add a "-m" option to show kernel and modules build-ids 2022-07-18 16:35:34 -03:00
builtin-c2c.c perf mem/c2c: Set PERF_SAMPLE_WEIGHT for LOAD_STORE events 2022-10-06 16:29:32 -03:00
builtin-config.c
builtin-daemon.c perf daemon: Use sig_atomic_t to avoid UB 2022-11-03 09:35:44 -03:00
builtin-data.c perf data: Don't mention --to-ctf if it's not supported 2022-02-22 21:23:08 -03:00
builtin-diff.c perf tools: Make quiet mode consistent between tools 2022-10-27 16:37:26 -03:00
builtin-evlist.c perf tools: Remove repipe argument from perf_session__new() 2021-08-02 10:06:51 -03:00
builtin-ftrace.c perf ftrace: Use sig_atomic_t to avoid UB 2022-11-03 09:36:09 -03:00
builtin-help.c
builtin-inject.c perf dso: Hold lock when accessing nsinfo 2022-10-04 08:55:20 -03:00
builtin-kallsyms.c
builtin-kmem.c perf tools: Enhance the matching of sub-commands abbreviations 2022-03-26 10:55:57 -03:00
builtin-kvm.c perf kvm: Fix subcommand matching error 2022-08-10 10:44:02 -03:00
builtin-kwork.c perf kwork: Remove includes not needed in kwork.h 2022-10-31 11:06:46 -03:00
builtin-list.c perf list: Fix metricgroups title message 2022-10-14 12:21:42 -03:00
builtin-lock.c perf lock contention: Check --max-stack option 2022-10-31 11:07:34 -03:00
builtin-mem.c perf tools: Move 'struct perf_sample' to a separate header file to disentangle headers 2022-10-31 11:06:41 -03:00
builtin-probe.c perf tools: Make quiet mode consistent between tools 2022-10-27 16:37:26 -03:00
builtin-record.c perf record: Use sig_atomic_t for signal handlers 2022-11-03 09:34:40 -03:00
builtin-report.c perf tools: Make quiet mode consistent between tools 2022-10-27 16:37:26 -03:00
builtin-sched.c perf sched: Factor out destroy_tasks() 2022-10-04 08:55:21 -03:00
builtin-script.c perf stat: Allocate evsel->stats->aggr properly 2022-10-27 16:37:25 -03:00
builtin-stat.c perf stat: Use sig_atomic_t to avoid undefined behaviour in a signal handler 2022-11-03 09:37:31 -03:00
builtin-timechart.c perf timechart: Add p_state_end helper 2022-10-04 08:55:21 -03:00
builtin-top.c perf top: Fix error code in cmd_top() 2022-10-04 08:55:22 -03:00
builtin-trace.c perf trace: Fix incorrectly parsed hexadecimal value for flags in filter 2022-10-04 08:55:23 -03:00
builtin-version.c perf version: Add HAVE_DEBUGINFOD_SUPPORT to built-in features 2022-04-20 13:32:09 -03:00
builtin.h perf kwork: New tool to trace time properties of kernel work (such as softirq, and workqueue) 2022-07-26 16:01:24 -03:00
check-headers.sh tools headers: Update the copy of x86's memcpy_64.S used in 'perf bench' 2022-10-25 17:40:48 -03:00
command-list.txt perf kwork: New tool to trace time properties of kernel work (such as softirq, and workqueue) 2022-07-26 16:01:24 -03:00
CREDITS
design.txt perf design.txt: Synchronize the definition of enum perf_hw_id with code 2021-11-13 18:11:50 -03:00
Makefile
Makefile.config perf build: Update to C standard to gnu11 2022-11-03 09:32:53 -03:00
Makefile.perf perf test: Add arm64 asm pureloop test shell script 2022-10-06 14:50:49 -03:00
MANIFEST perf MANIFEST: Add bpftool files to allow building with BUILD_BPF_SKEL=1 2021-11-07 15:39:28 -03:00
perf-archive.sh
perf-completion.sh
perf-iostat.sh
perf-read-vdso.c
perf-sys.h
perf.c perf tools: Add same_cmd_with_prefix() helper 2022-10-04 08:55:21 -03:00
perf.h