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Date: Mon, 14 Dec 2015 14:44:25 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Alexei Starovoitov <ast@...nel.org>,
Andi Kleen <ak@...ux.intel.com>,
David Ahern <dsahern@...il.com>, He Kuang <hekuang@...wei.com>,
Jiri Olsa <jolsa@...hat.com>,
Josh Poimboeuf <jpoimboe@...hat.com>,
Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <peterz@...radead.org>, pi3orama@....com,
Wang Nan <wangnan0@...wei.com>, Zefan Li <lizefan@...wei.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [GIT PULL 00/16] perf/core improvements and fixes
Hi Ingo,
Please consider pulling,
- Arnaldo
The following changes since commit 0d76ded582c178d3cca55c9112eceb5b0f12f558:
Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2015-12-14 09:31:39 +0100)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo
for you to fetch changes up to 7efe0e034c713716060bc7794c7e332589980c70:
perf record: Support custom vmlinux path (2015-12-14 13:04:12 -0300)
----------------------------------------------------------------
perf/core improvements and fixes:
User visible:
- Make command line options always available, even when they
depend on some feature being enabled, warning the user about
use of such options (Wang Nan)
- Support --vmlinux in perf record, useful, so far, for eBPF,
where we will set up events that will be used in the record
session (He Kuang)
- Automatically disable collecting branch flags and cycles with
--call-graph lbr. This allows avoiding a bunch of extra MSR
reads in the PMI on Skylake. (Andi Kleen)
Infrastructure:
- Dump the stack when a 'perf test -v ' entry segfaults, so far we
would have to run it under gdb with 'set follow-fork-mode child'
set to get a proper backtrace (Arnaldo Carvalho de Melo)
- Initialize the refcnt in 'struct thread' to 1 and fixup its
users accordingly, so that we try to have the same refcount
model accross the perf codebase (Arnaldo Carvalho de Melo)
- More prep work for moving the subcmd infrastructure out of
tools/perf/ and into tools/lib/subcmd/ to be used by other
tools/ living utilities (Josh Poimboeuf)
- Fix 'perf test' hist testcases when kptr_restrict is on (Namhyung Kim)
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
----------------------------------------------------------------
Andi Kleen (1):
perf evsel: Disable branch flags/cycles for --callgraph lbr
Arnaldo Carvalho de Melo (3):
perf tools: Use same signal handling strategy as 'record'
perf test: Dump the stack when test segfaults when in verbose mode
perf thread: Fix reference count initial state
He Kuang (1):
perf record: Support custom vmlinux path
Josh Poimboeuf (9):
perf build: Remove unnecessary line in Makefile.feature
perf test: Add Build file to dependencies for llvm-src-*.c
perf test: Remove tarpkg at end of test
perf build: Fix 'make clean'
perf build: Rename LIB_PATH -> API_PATH
perf tools: Create pager.h
perf tools: Remove check for unused PERF_PAGER_IN_USE
perf tools: Move help_unknown_cmd() to its own file
perf tools: Convert parse-options.c internal functions to static
Namhyung Kim (1):
perf test: Fix hist testcases when kptr_restrict is on
Wang Nan (1):
perf tools: Make options always available, even if required libs not linked
tools/build/Makefile.feature | 1 -
tools/perf/Documentation/perf-record.txt | 10 ++-
tools/perf/Makefile.perf | 15 ++--
tools/perf/builtin-probe.c | 15 +++-
tools/perf/builtin-record.c | 25 +++++-
tools/perf/tests/Build | 6 +-
tools/perf/tests/builtin-test.c | 3 +
tools/perf/tests/hists_common.c | 5 +-
tools/perf/tests/make | 3 +-
tools/perf/util/Build | 1 +
tools/perf/util/cache.h | 5 +-
tools/perf/util/evsel.c | 14 +++-
tools/perf/util/help-unknown-cmd.c | 103 +++++++++++++++++++++++
tools/perf/util/help-unknown-cmd.h | 0
tools/perf/util/help.c | 107 +-----------------------
tools/perf/util/help.h | 3 +
tools/perf/util/intel-pt.c | 4 +-
tools/perf/util/machine.c | 19 +++--
tools/perf/util/pager.c | 8 +-
tools/perf/util/pager.h | 7 ++
tools/perf/util/parse-options.c | 136 +++++++++++++++++++++++++++----
tools/perf/util/parse-options.h | 14 ++--
tools/perf/util/thread.c | 10 ++-
tools/perf/util/util.c | 3 +-
24 files changed, 341 insertions(+), 176 deletions(-)
create mode 100644 tools/perf/util/help-unknown-cmd.c
create mode 100644 tools/perf/util/help-unknown-cmd.h
create mode 100644 tools/perf/util/pager.h
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