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eca949b2b4
linux/tools/perf
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Namhyung Kim eca949b2b4 perf lock contention: Implement -t/--threads option for BPF 
The BPF didn't show the per-thread stat properly.  Use task's thread id (PID)
as a key instead of stack_id and add a task_data map to save task comm names.

  $ sudo ./perf lock con -abt -E 5 sleep 1
   contended   total wait     max wait     avg wait          pid   comm

           1    740.66 ms    740.66 ms    740.66 ms         1950   nv_queue
           3    305.50 ms    298.19 ms    101.83 ms         1884   nvidia-modeset/
           1     25.14 us     25.14 us     25.14 us      2725038   EventManager_De
          12     23.09 us      9.30 us      1.92 us            0   swapper
           1     20.18 us     20.18 us     20.18 us      2725033   EventManager_De

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Blake Jones <blakejones@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20221209190727.759804-3-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-12-14 11:24:31 -03:00
..
arch perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
bench perf tools: Use dedicated non-atomic clear/set bit helpers 2022-12-05 09:29:06 -03:00
dlfilters perf dlfilter dlfilter-show-cycles: Fix types for print format 2022-09-08 12:17:45 -03:00
Documentation perf record: Add remaining branch filters: "no_cycles", "no_flags" & "hw_index" 2022-12-14 11:16:12 -03:00
examples/bpf perf trace: Remove unused bpf map 'syscalls' 2022-11-23 10:30:00 -03:00
include/perf perf bpf: Remove now unused BPF headers 2022-11-04 11:41:48 -03:00
jvmti
pmu-events perf jevents: Parse metrics during conversion 2022-12-14 11:16:12 -03:00
python perf python: Convert tracepoint.py example to python3 2022-04-01 16:19:35 -03:00
scripts perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
tests perf test: Update event group check for support of uncore event 2022-12-14 11:23:36 -03:00
trace perf trace: Add augmenter for clock_gettime's rqtp timespec arg 2022-11-10 15:30:10 -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 lock contention: Implement -t/--threads option for BPF 2022-12-14 11:24:31 -03:00
.gitignore perf build: Install libsymbol locally when building 2022-11-16 12:17:15 -03:00
Build perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-annotate.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -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 tools: Use dedicated non-atomic clear/set bit helpers 2022-12-05 09:29:06 -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 build: Use libtraceevent from the system 2022-12-14 11:16:12 -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 build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-kallsyms.c
builtin-kmem.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-kvm.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-kwork.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-list.c perf list: JSON escape encoding improvements 2022-11-24 10:03:03 -03:00
builtin-lock.c perf lock contention: Implement -t/--threads option for BPF 2022-12-14 11:24:31 -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 build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-report.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-sched.c perf tools: Use dedicated non-atomic clear/set bit helpers 2022-12-05 09:29:06 -03:00
builtin-script.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-stat.c perf thread_map: Reduce exposure of libperf internal API 2022-11-16 12:17:15 -03:00
builtin-timechart.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
builtin-top.c perf top: Use sig_atomic_t to avoid undefined behaviour in a signal handler 2022-11-03 09:38:01 -03:00
builtin-trace.c perf tools: Check if libtracevent has TEP_FIELD_IS_RELATIVE 2022-12-14 11:16:12 -03:00
builtin-version.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -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 perf tools: Add a build-test variant to use in builds from a tarball 2021-04-20 08:43:58 -03:00
Makefile.config perf tools: Check if libtracevent has TEP_FIELD_IS_RELATIVE 2022-12-14 11:16:12 -03:00
Makefile.perf perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
MANIFEST tools lib traceevent: Remove libtraceevent 2022-12-14 11:16:12 -03:00
perf-archive.sh
perf-completion.sh
perf-iostat.sh perf stat: Enable iostat mode for x86 platforms 2021-04-20 08:40:20 -03:00
perf-read-vdso.c
perf-sys.h
perf.c perf build: Use libtraceevent from the system 2022-12-14 11:16:12 -03:00
perf.h