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| Filename | Latest commit message | Latest commit date |
|---|---|---|
74cd5815d9
perf has perf-completion.sh to define command line auto-completion in
bash/zsh.
For record/stat -e it works for single events, but isn't working when
specifying multiple events with comma.
It would be very useful if it could be fixed to make it easier by
supporting multiple events, comma separated.
With this patch, the result can be like this:
1. Support the events returned from 'perf list --raw-dump'
root@skl:/tmp# perf stat -e cpu/cache<TAB>
cpu/cache-misses/ cpu/cache-references/
root@skl:/tmp# perf stat -e cpu/cache-misses/,cpu/branch-<TAB>
cpu/branch-instructions/ cpu/branch-misses/
root@skl:/tmp# perf stat -e cpu/cache-misses/,cpu/branch-i<TAB>
root@skl:/tmp# perf stat -e cpu/cache-misses/,cpu/branch-instructions/
2. Support the events listed in /sys/bus/event_source/devices/cpu/events
root@skl:/tmp# perf stat -e cycle<TAB>
cycle_activity.cycles_l1d_miss cycle_activity.stalls_l3_miss
cycle_activity.cycles_l2_miss cycle_activity.stalls_mem_any
cycle_activity.cycles_l3_miss cycle_activity.stalls_total
cycle_activity.cycles_mem_any cycles-ct
cycle_activity.stalls_l1d_miss cycles-t
cycle_activity.stalls_l2_miss
root@skl:/tmp# perf stat -e cycles-<TAB>
cycles-ct cycles-t
root@skl:/tmp# perf stat -e cycles-t,cpu/c<TAB>
cpu/cache-misses/ cpu/cpu-cycles/ cpu/cycles-t/
cpu/cache-references/ cpu/cycles-ct/
root@skl:/tmp# perf stat -e cycles-t,cpu/cache-<TAB>
cpu/cache-misses/ cpu/cache-references/
root@skl:/tmp# perf stat -e cycles-t,cpu/cache-misses/
3. Support the uppercase event which is with prefix "cpu/"
root@skl:/tmp# perf stat -e cpu/c<TAB>
cpu/cache-misses/ cpu/cpu-cycles/ cpu/cycles-t/
cpu/cache-references/ cpu/cycles-ct/
root@skl:/tmp# perf stat -e cpu/cache-misses/,cpu/C<TAB>
cpu/CACHE-MISSES/ cpu/CPU-CYCLES/ cpu/CYCLES-T/
cpu/CACHE-REFERENCES/ cpu/CYCLES-CT/
root@skl:/tmp# perf stat -e cpu/cache-misses/,cpu/CACHE-REFERENCES/
Note that:
a) This patch only supports bash.
b) It doesn't support the cases like {},{} or {...,...}.
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1513848370-8098-1-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.