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SubjectRe: [RFCv2 0/8] perf tool: Add new event group management
oops, forgot to add that this patchset is based on another
one I sent just recently..

http://marc.info/?l=linux-kernel&m=133357111816870&w=2

jirka


On Wed, Apr 04, 2012 at 11:16:08PM +0200, Jiri Olsa wrote:
> hi,
> adding support for creating event groups based on the way they
> are specified on the command line.
>
> - added 'group=...' syntax to group events (patches 1-5).
> I think this part is quite ready.
>
> - added 'group:1=...' syntax to specify which event to sample (leader)
> and use PERF_SAMPLE_READ and PERF_FORMAT_GROUP to read all siblings
> on every leader's events (patches 6-8).
> Currently it is only possible to display siblings values by
> 'perf report -D' PERF_SAMPLE_READ dump output containing only perf
> internal IDs displayed.. so not very usefull. But I was hoping to
> straighten up the data design/directions before I touch the gui.
>
>
> Attached patches:
> 1/8 perf, tool: Add support to parse event group syntax
> 2/8 perf, tool: Enable grouping logic for parsed events
> 3/8 perf: Add PERF_EVENT_IOC_ID ioctl to return event ID
> 4/8 perf, tool: Use PERF_EVENT_IOC_ID perf ioctl to read event id
> 5/8 perf, tool: Separate 'mem:' event scanner bits
> 6/8 perf, tool: Add modifier support to group event syntax
> 7/8 perf, tool: Add support for parsing PERF_SAMPLE_READ
> 8/8 perf, tool: Enable sampling on specified event group leader
>
> thanks for comments,
> jirka
> ---
> include/linux/perf_event.h | 1 +
> kernel/events/core.c | 9 +++
> tools/perf/builtin-record.c | 13 ++---
> tools/perf/builtin-stat.c | 13 ++---
> tools/perf/builtin-test.c | 12 ++--
> tools/perf/builtin-top.c | 12 +---
> tools/perf/util/event.h | 21 ++++++-
> tools/perf/util/evlist.c | 120 +++++++++++++++++++++++++++--------
> tools/perf/util/evlist.h | 8 ++-
> tools/perf/util/evsel.c | 94 +++++++++++++++++++++-------
> tools/perf/util/evsel.h | 16 ++---
> tools/perf/util/parse-events-test.c | 93 ++++++++++++++++++++++++++-
> tools/perf/util/parse-events.c | 6 ++
> tools/perf/util/parse-events.h | 1 +
> tools/perf/util/parse-events.l | 39 +++++++++++-
> tools/perf/util/parse-events.y | 66 +++++++++++++++++---
> tools/perf/util/python.c | 10 ++-
> tools/perf/util/session.c | 42 ++++++++++++
> tools/perf/util/session.h | 5 +-
> 19 files changed, 476 insertions(+), 105 deletions(-)


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