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Merge tag 'perf-urgent-for-mingo-5.3-20190723' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

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Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

perf.data:

  Alexey Budankov:

  - Fix loading of compressed data split across adjacent records

  Jiri Olsa:

  - Fix buffer size setting for processing CPU topology perf.data header.

perf stat:

  Jiri Olsa:

  - Fix segfault for event group in repeat mode

  Cong Wang:

  - Always separate "stalled cycles per insn" line, it was being appended to
    the "instructions" line.

perf script:

  Andi Kleen:

  - Fix --max-blocks man page description.

  - Improve man page description of metrics.

  - Fix off by one in brstackinsn IPC computation.

perf probe:

  Arnaldo Carvalho de Melo:

  - Avoid calling freeing routine multiple times for same pointer.

perf build:

  - Do not use -Wshadow on gcc < 4.8, avoiding too strict warnings
    treated as errors, breaking the build.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2019-07-23 23:41:33 +02:00
parent 7b5cf701ea 39e7317e37
commit 49902052fc
12 changed files with 54 additions and 19 deletions
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8
tools/perf/Documentation/perf-script.txt
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@@ -228,11 +228,11 @@ OPTIONS
With the metric option perf script can compute metrics for
sampling periods, similar to perf stat. This requires
specifying a group with multiple metrics with the :S option
specifying a group with multiple events defining metrics with the :S option
for perf record. perf will sample on the first event, and
compute metrics for all the events in the group. Please note
print computed metrics for all the events in the group. Please note
that the metric computed is averaged over the whole sampling
period, not just for the sample point.
period (since the last sample), not just for the sample point.
For sample events it's possible to display misc field with -F +misc option,
following letters are displayed for each bit:
@@ -384,7 +384,7 @@ include::itrace.txt[]
perf script --time 0%-10%,30%-40%
--max-blocks::
Set the maximum number of program blocks to print with brstackasm for
Set the maximum number of program blocks to print with brstackinsn for
each sample.
--reltime::