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Message-ID: <20131023074842.GC9916@gmail.com> Date: Wed, 23 Oct 2013 09:48:42 +0200 From: Ingo Molnar <mingo@...nel.org> To: Arnaldo Carvalho de Melo <acme@...radead.org> Cc: linux-kernel@...r.kernel.org, Arnaldo Carvalho de Melo <acme@...stprotocols.net>, Adrian Hunter <adrian.hunter@...el.com>, Andi Kleen <andi@...stfloor.org>, Aswin Chandramouleeswaran <aswin@...com>, Corey Ashford <cjashfor@...ux.vnet.ibm.com>, David Ahern <dsahern@...il.com>, Davidlohr Bueso <davidlohr@...com>, Frederic Weisbecker <fweisbec@...il.com>, Jiri Olsa <jolsa@...hat.com>, Linus Torvalds <torvalds@...ux-foundation.org>, Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>, Mike Galbraith <efault@....de>, Namhyung Kim <namhyung@...il.com>, Paul Mackerras <paulus@...ba.org>, Pekka Enberg <penberg@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Ramkumar Ramachandra <artagnon@...il.com>, Scott J Norton <scott.norton@...com>, Stephane Eranian <eranian@...gle.com>, Tom Zanussi <tom.zanussi@...ux.intel.com>, Waiman Long <Waiman.Long@...com>, Arnaldo Carvalho de Melo <acme@...hat.com> Subject: Re: [GIT PULL 00/26] perf/core improvements and fixes * Arnaldo Carvalho de Melo <acme@...radead.org> wrote: > From: Arnaldo Carvalho de Melo <acme@...stprotocols.net> > > Hi Ingo, > > Please consider pulling, > > - Arnaldo > > The following changes since commit 1ff9ecf797e398b9937d9da4c2236f4140b96339: > > Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2013-10-15 11:55:46 +0200) > > are available in the git repository at: > > > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux tags/perf-core-for-mingo > > for you to fetch changes up to 5dbb6e81d85e55ee2b4cf523c1738e16f63e5400: > > perf top: Add --max-stack option to limit callchain stack scan (2013-10-21 17:36:25 -0300) > > ---------------------------------------------------------------- > perf/core improvements and fixes: > > . Convert callchain children list to rbtree, greatly reducing the time > taken for callchain processing, from Namhyung Kim. > > . Add --max-stack option to limit callchain stack scan in 'top' and 'report', > improving callchain processing when reducing the stack depth is an option, > from Waiman Long. > > . Compare dso's also when comparing symbols, to avoid grouping together > symbols with the same name but on different DSOs, fix from Namhyung Kim. > > . 'perf trace' now can can use a 'perf probe' wannabe tracepoint to hook into > the userspace -> kernel pathname copy so that it can map fds to pathnames > without reading /proc/pid/fd/ symlinks. > > . 'perf trace' now emits hints as to why tracing is not possible, helping the > user to setup the system to allow tracing in the desired permission > granularity, telling if the problem is due to debugfs not being mounted or > with not enough permission for !root, /proc/sys/kernel/perf_event_paranoit > value, etc. > > . Add missing 'mmap2' in evsel debug print, from Adrian Hunter. > > . Add missing decrement in id sample parsing, not a fix per se, just to > avoid a problem whem somebody adds another field, from Adrian Hunter. > > . Improve write_output error message in 'perf record', from Adrian Hunter. > > . Add missing sample flush for piped events, fix from Adrian Hunter. > > . Add missing members to perf_event__attr_swap(), fix from Adrian Hunter. > > . Assorted fixes for 32-bit build, from Adrian Hunter > > . Print addr by default for BTS in 'perf script', from Adrian Juntmer > > . Separating data file properties from session, code reorganization from > Jiri Olsa. > > . Show error in 'perf list' if tracepoints not available, from Pekka Enberg. > > Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> > > ---------------------------------------------------------------- > Adrian Hunter (11): > perf evsel: Add missing 'mmap2' from debug print > perf evsel: Add missing decrement in id sample parsing > perf record: Improve write_output error message > perf session: Add missing sample flush for piped events > perf session: Add missing members to perf_event__attr_swap() > perf evlist: Fix 32-bit build error > perf tools: Fix test_on_exit for 32-bit build > perf tools: Fix bench/numa.c for 32-bit build > perf evlist: Fix perf_evlist__mmap comments > perf evlist: Factor out duplicated mmap code > perf script: Print addr by default for BTS > > Arnaldo Carvalho de Melo (7): > perf scripting perl: Fix build error on Fedora 12 > perf trace: Split fd -> pathname array handling > perf trace: Use vfs_getname hook if available > perf trace: Improve event processing exit > perf evlist: Introduce perf_evlist__strerror_tp method > perf tools: Introduce filename__read_int helper > perf trace: Improve messages related to /proc/sys/kernel/perf_event_paranoid > > Jiri Olsa (3): > perf tools: Add data object to handle perf data file > perf tools: Add perf_data_file__open interface to data object > perf session: Separating data file properties from session > > Namhyung Kim (2): > perf callchain: Convert children list to rbtree > perf tools: Compare dso's also when comparing symbols > > Pekka Enberg (1): > perf list: Show error if tracepoints not available > > Waiman Long (2): > perf report: Add --max-stack option to limit callchain stack scan > perf top: Add --max-stack option to limit callchain stack scan > > tools/perf/Documentation/perf-report.txt | 8 + > tools/perf/Documentation/perf-top.txt | 8 + > tools/perf/Documentation/perf-trace.txt | 4 + > tools/perf/Makefile.perf | 1 + > tools/perf/bench/numa.c | 4 +- > tools/perf/builtin-annotate.c | 11 +- > tools/perf/builtin-buildid-cache.c | 8 +- > tools/perf/builtin-buildid-list.c | 11 +- > tools/perf/builtin-diff.c | 19 +- > tools/perf/builtin-evlist.c | 7 +- > tools/perf/builtin-inject.c | 7 +- > tools/perf/builtin-kmem.c | 7 +- > tools/perf/builtin-kvm.c | 13 +- > tools/perf/builtin-lock.c | 7 +- > tools/perf/builtin-mem.c | 9 +- > tools/perf/builtin-record.c | 80 +++------ > tools/perf/builtin-report.c | 40 +++-- > tools/perf/builtin-sched.c | 6 +- > tools/perf/builtin-script.c | 21 ++- > tools/perf/builtin-timechart.c | 10 +- > tools/perf/builtin-top.c | 16 +- > tools/perf/builtin-trace.c | 196 +++++++++++++-------- > tools/perf/config/feature-checks/test-on-exit.c | 1 + > tools/perf/perf.h | 1 - > tools/perf/util/callchain.c | 147 ++++++++++++---- > tools/perf/util/callchain.h | 11 +- > tools/perf/util/data.c | 120 +++++++++++++ > tools/perf/util/data.h | 48 +++++ > tools/perf/util/evlist.c | 159 +++++++++++------ > tools/perf/util/evlist.h | 3 + > tools/perf/util/evsel.c | 2 + > tools/perf/util/header.c | 22 ++- > tools/perf/util/machine.c | 14 +- > tools/perf/util/machine.h | 3 +- > tools/perf/util/parse-events.c | 4 +- > .../perf/util/scripting-engines/trace-event-perl.c | 2 +- > tools/perf/util/session.c | 139 ++++++--------- > tools/perf/util/session.h | 11 +- > tools/perf/util/sort.c | 10 ++ > tools/perf/util/top.h | 1 + > tools/perf/util/util.c | 17 ++ > tools/perf/util/util.h | 2 + > 42 files changed, 834 insertions(+), 376 deletions(-) > create mode 100644 tools/perf/util/data.c > create mode 100644 tools/perf/util/data.h Pulled, thanks a lot Arnaldo! Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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