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Date: Wed, 8 Feb 2017 13:57:32 +0100 From: Jiri Olsa <jolsa@...hat.com> To: Hari Bathini <hbathini@...ux.vnet.ibm.com> Cc: ast@...com, peterz@...radead.org, lkml <linux-kernel@...r.kernel.org>, acme@...nel.org, alexander.shishkin@...ux.intel.com, mingo@...hat.com, daniel@...earbox.net, rostedt@...dmis.org, Ananth N Mavinakayanahalli <ananth@...ux.vnet.ibm.com>, ebiederm@...ssion.com, sargun@...gun.me, Aravinda Prasad <aravinda@...ux.vnet.ibm.com>, brendan.d.gregg@...il.com Subject: Re: [PATCH v6 2/3] perf tool: add PERF_RECORD_NAMESPACES to include namespaces related info On Wed, Feb 08, 2017 at 02:01:49PM +0530, Hari Bathini wrote: > This patch updates perf tool to examine PERF_RECORD_NAMESPACES events > emitted by the kernel when fork, clone, setns or unshare are invoked. > Also, it synthesizes PERF_RECORD_NAMESPACES events for processes that > were running prior to invocation of perf record, the data for which > is taken from /proc/$PID/ns. These changes make way for analyzing > events with regard to namespaces. > > Signed-off-by: Hari Bathini <hbathini@...ux.vnet.ibm.com> > --- > tools/include/uapi/linux/perf_event.h | 38 +++++++++ > tools/perf/builtin-annotate.c | 1 > tools/perf/builtin-diff.c | 1 > tools/perf/builtin-inject.c | 14 +++ > tools/perf/builtin-kmem.c | 1 > tools/perf/builtin-kvm.c | 2 > tools/perf/builtin-lock.c | 1 > tools/perf/builtin-mem.c | 1 > tools/perf/builtin-record.c | 33 +++++++- > tools/perf/builtin-report.c | 1 > tools/perf/builtin-sched.c | 1 > tools/perf/builtin-script.c | 41 +++++++++ > tools/perf/builtin-trace.c | 3 - > tools/perf/perf.h | 1 > tools/perf/util/Build | 1 > tools/perf/util/data-convert-bt.c | 2 > tools/perf/util/event.c | 143 ++++++++++++++++++++++++++++++++- > tools/perf/util/event.h | 19 ++++ > tools/perf/util/evsel.c | 3 + > tools/perf/util/machine.c | 34 ++++++++ > tools/perf/util/machine.h | 3 + > tools/perf/util/namespaces.c | 35 ++++++++ > tools/perf/util/namespaces.h | 26 ++++++ > tools/perf/util/session.c | 7 ++ > tools/perf/util/thread.c | 44 ++++++++++ > tools/perf/util/thread.h | 6 + > tools/perf/util/tool.h | 2 > 27 files changed, 450 insertions(+), 14 deletions(-) > create mode 100644 tools/perf/util/namespaces.c > create mode 100644 tools/perf/util/namespaces.h could you please split this patch into logically separated changes, like: - adding PERF_RECORD_NAMESPACES event with perf_event__process_namespaces machinery - synthesize support (perf_event__synthesize_namespaces) for record - script print support - perf_event__fprintf print support or any other split that'd make sense, it's too many changes for one patch now thanks, jirka
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