kernel_samsung_sm7125

jenna

History

Arnaldo Carvalho de Melo cb9dd49e11 perf tools: Fix synthesizing tracepoint names from the perf.data headers We need to use the per event info snapshoted at record time to synthesize the events name, so do it just after reading the perf.data headers, when we already processed the /sys events data, otherwise we'll end up using the local /sys that only by sheer luck will have the same tracepoint ID -> real event association. Example: # uname -a Linux felicio.ghostprotocols.net 3.4.0-rc5+ #1 SMP Sat May 19 15:27:11 BRT 2012 x86_64 x86_64 x86_64 GNU/Linux # perf record -e sched:sched_switch usleep 1 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.015 MB perf.data (~648 samples) ] # cat /t/events/sched/sched_switch/id 279 # perf evlist -v sched:sched_switch: sample_freq=1, type: 2, config: 279, size: 80, sample_type: 1159, read_format: 7, disabled: 1, inherit: 1, mmap: 1, comm: 1, enable_on_exec: 1, sample_id_all: 1, exclude_guest: 1 # So on the above machine the sched:sched_switch has tracepoint id 279, but on the machine were we'll analyse it it has a different id: $ cat /t/events/sched/sched_switch/id 56 $ perf evlist -i /tmp/perf.data kmem:mm_balancedirty_writeout $ cat /t/events/kmem/mm_balancedirty_writeout/id 279 With this fix: $ perf evlist -i /tmp/perf.data sched:sched_switch Reported-by: Dmitry Antipov <dmitry.antipov@linaro.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-auwks8fpuhmrdpiefs55o5oz@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>		13 years ago
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Documentation	Merge branch 'linus' into perf/urgent	13 years ago
arch	…
bench	…
config	…
python	…
scripts	…
ui	perf annotate browser: Fix help window entry for navigating to hottest line	13 years ago
util	perf tools: Fix synthesizing tracepoint names from the perf.data headers	13 years ago
.gitignore	perf tools: Ignore auto-generated bison/flex files	13 years ago
CREDITS	…
MANIFEST	perf tools: Fix make tarballs	13 years ago
Makefile	perf tools: Do not use _FORTIFY_SOURCE when DEBUG=1 is specified	13 years ago
builtin-annotate.c	perf tools: Convert critical messages to ui__error()	13 years ago
builtin-bench.c	…
builtin-buildid-cache.c	…
builtin-buildid-list.c	perf buildid-list: Work better with pipe mode	13 years ago
builtin-diff.c	…
builtin-evlist.c	perf evlist: Explicititely initialize input_name	13 years ago
builtin-help.c	…
builtin-inject.c	perf inject: Fix broken perf inject -b	13 years ago
builtin-kmem.c	perf: Have perf use the new libtraceevent.a library	13 years ago
builtin-kvm.c	…
builtin-list.c	…
builtin-lock.c	perf: Have perf use the new libtraceevent.a library	13 years ago
builtin-probe.c	perf probe: Detect probe target when m/x options are absent	13 years ago
builtin-record.c	perf tools: Convert critical messages to ui__error()	13 years ago
builtin-report.c	perf callchain: Make callchain cursors TLS	13 years ago
builtin-sched.c	perf: Have perf use the new libtraceevent.a library	13 years ago
builtin-script.c	perf: Have perf use the new libtraceevent.a library	13 years ago
builtin-stat.c	perf stat: Fix default output file	13 years ago
builtin-test.c	perf test: Move parse event automated tests to separated object	13 years ago
builtin-timechart.c	…
builtin-top.c	perf callchain: Make callchain cursors TLS	13 years ago
builtin.h	…
command-list.txt	…
design.txt	perf tools: Update ioctl documentation for PERF_IOC_FLAG_GROUP	13 years ago
perf-archive.sh	perf archive: Correct cutting of symbolic link	13 years ago
perf.c	…
perf.h	perf record: Fix branch_stack type in perf_record_opts	13 years ago