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Jiri Olsa 7aaf6b3551 perf diff: Add ratio computation way to compare hist entries 
Adding -c option to select computation method with the current 'Delta'
computation as default. Current possible values are of this option are:
'delta' and 'ratio'.

Adding 'ratio' as new computation way to compare hist entries.  If
specified the 'Ratio' column is displayed with value 'r' computed as:

  r = A->period / B->period

with:
  - A/B being matching hist entry from first/second file specified
    (or perf.data/perf.data.old) respectively.
  - period being the hist entry period value

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1349448287-18919-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-10-05 14:06:54 -03:00
..
arch perf tools: Support for DWARF CFI unwinding on post processing 2012-08-11 15:06:56 -03:00
bench perf tools: Use __maybe_used for unused variables 2012-09-11 12:19:15 -03:00
config perf tools: Check libaudit availability for perf-trace builtin 2012-09-27 10:56:40 -03:00
Documentation perf diff: Add ratio computation way to compare hist entries 2012-10-05 14:06:54 -03:00
python perf python: Use attr.watermark in twatch.py 2012-01-30 18:38:23 -02:00
scripts perf scripts: Add event_analyzing_sample-record/report 2012-09-17 13:11:15 -03:00
ui perf diff: Add ratio computation way to compare hist entries 2012-10-05 14:06:54 -03:00
util perf diff: Add ratio computation way to compare hist entries 2012-10-05 14:06:54 -03:00
.gitignore perf tools: Ignore compiled python binaries 2012-09-07 12:10:58 -03:00
bash_completion perf tools: Complete tracepoint event names 2012-10-04 12:44:52 -03:00
builtin-annotate.c perf tools: Use __maybe_used for unused variables 2012-09-11 12:19:15 -03:00
builtin-bench.c perf tools: Use __maybe_used for unused variables 2012-09-11 12:19:15 -03:00
builtin-buildid-cache.c perf buildid-cache: Don't use globals where not needed to 2012-10-02 18:36:35 -03:00
builtin-buildid-list.c perf buildid-list: Don't use globals where not needed to 2012-10-02 18:36:36 -03:00
builtin-diff.c perf diff: Add ratio computation way to compare hist entries 2012-10-05 14:06:54 -03:00
builtin-evlist.c perf evlist: Don't use globals where not needed to 2012-10-02 18:36:39 -03:00
builtin-help.c perf help: Don't use globals where not needed to 2012-10-02 18:36:31 -03:00
builtin-inject.c perf inject: Don't use globals where not needed to 2012-10-02 18:36:41 -03:00
builtin-kmem.c perf kmem: Don't use globals where not needed to 2012-10-02 18:36:32 -03:00
builtin-kvm.c perf kvm: Move global variables into a perf_kvm struct 2012-10-03 11:10:17 -03:00
builtin-list.c perf tools: Use __maybe_used for unused variables 2012-09-11 12:19:15 -03:00
builtin-lock.c perf lock: Don't use globals where not needed to 2012-10-02 18:36:33 -03:00
builtin-probe.c perf probe: Don't use globals where not needed to 2012-10-02 18:36:37 -03:00
builtin-record.c perf record: Don't use globals where not needed to 2012-10-02 18:36:40 -03:00
builtin-report.c perf tool: Add hpp interface to enable/disable hpp column 2012-10-04 13:30:27 -03:00
builtin-sched.c perf sched: Look up thread using tid instead of pid 2012-10-02 18:36:28 -03:00
builtin-script.c perf script: Don't use globals where not needed to 2012-10-02 18:36:30 -03:00
builtin-stat.c perf stat: Don't use globals where not needed to 2012-10-02 18:36:29 -03:00
builtin-test.c perf test: Add test to check we correctly parse and match syscall open parms 2012-09-26 13:42:01 -03:00
builtin-timechart.c perf timechart: Don't use globals where not needed to 2012-10-02 18:36:34 -03:00
builtin-top.c perf tools: Removing hists pair argument from output path 2012-10-04 13:29:45 -03:00
builtin-trace.c perf trace: Add support for tracing workload given by command line 2012-10-05 12:51:27 -03:00
builtin.h perf trace: New tool 2012-09-26 20:42:23 -03:00
command-list.txt perf trace: New tool 2012-09-26 20:42:23 -03:00
CREDITS perf_counter tools: Add CREDITS file for Git contributors 2009-06-24 19:54:29 +02:00
design.txt perf tools: Update ioctl documentation for PERF_IOC_FLAG_GROUP 2012-05-31 11:38:42 -03:00
Makefile perf tools: Convert to BACKTRACE_SUPPORT 2012-10-02 18:36:45 -03:00
MANIFEST perf kvm: Events analysis tool 2012-09-21 12:51:22 -03:00
perf-archive.sh perf archive: Make 'f' the last parameter for tar 2012-09-17 13:10:42 -03:00
perf.c perf tools: Convert to LIBAUDIT_SUPPORT 2012-10-02 18:36:21 -03:00
perf.h perf tools: Support for DWARF mode callchain 2012-08-11 15:07:18 -03:00