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From: David Ahern <dsahern@gmail.com>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
	linux-kernel@vger.kernel.org,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Jiri Olsa <jolsa@redhat.com>, Mike Galbraith <efault@gmx.de>,
	Namhyung Kim <namhyung@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Stephane Eranian <eranian@google.com>,
	Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH V8 04/15] perf tools: change machine__findnew_thread() to set thread pid
Date: Fri, 26 Jul 2013 10:02:52 -0600	[thread overview]
Message-ID: <51F29DAC.7000803@gmail.com> (raw)
In-Reply-To: <1374144177-24762-5-git-send-email-adrian.hunter@intel.com>

On 7/18/13 4:42 AM, Adrian Hunter wrote:
> Add a new parameter for 'pid' to machine__findnew_thread().
> Change callers to pass 'pid' when it is known.
>
> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
> ---
>   tools/perf/builtin-inject.c   |  2 +-
>   tools/perf/builtin-kmem.c     |  3 ++-
>   tools/perf/builtin-kvm.c      |  3 ++-
>   tools/perf/builtin-lock.c     |  3 ++-
>   tools/perf/builtin-sched.c    | 17 +++++++++--------
>   tools/perf/builtin-script.c   |  3 ++-
>   tools/perf/builtin-trace.c    | 12 +++++++++---
>   tools/perf/tests/hists_link.c |  3 ++-
>   tools/perf/util/build-id.c    |  7 +++++--
>   tools/perf/util/event.c       |  3 ++-
>   tools/perf/util/machine.c     | 23 ++++++++++++++++-------
>   tools/perf/util/machine.h     |  3 ++-
>   tools/perf/util/session.c     |  2 +-
>   13 files changed, 55 insertions(+), 29 deletions(-)
>
> diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
> index 1d8de2e..0d4ae1d 100644
> --- a/tools/perf/builtin-inject.c
> +++ b/tools/perf/builtin-inject.c
> @@ -198,7 +198,7 @@ static int perf_event__inject_buildid(struct perf_tool *tool,
>
>   	cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
>
> -	thread = machine__findnew_thread(machine, event->ip.pid);
> +	thread = machine__findnew_thread(machine, event->ip.pid, event->ip.pid);

event->ip.tid? at a minimum current functionality is retained with
machine__findnew_thread(machine, 0, event->ip.pid)


>   	if (thread == NULL) {
>   		pr_err("problem processing %d event, skipping it.\n",
>   		       event->header.type);
> diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
> index b49f5c5..c324778 100644
> --- a/tools/perf/builtin-kmem.c
> +++ b/tools/perf/builtin-kmem.c
> @@ -305,7 +305,8 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
>   				struct perf_evsel *evsel,
>   				struct machine *machine)
>   {
> -	struct thread *thread = machine__findnew_thread(machine, event->ip.pid);
> +	struct thread *thread = machine__findnew_thread(machine, event->ip.pid,
> +							event->ip.pid);

ditto.


> diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
> index 89085a9..5a178d5 100644
> --- a/tools/perf/tests/hists_link.c
> +++ b/tools/perf/tests/hists_link.c
> @@ -88,7 +88,8 @@ static struct machine *setup_fake_machine(struct machines *machines)
>   	for (i = 0; i < ARRAY_SIZE(fake_threads); i++) {
>   		struct thread *thread;
>
> -		thread = machine__findnew_thread(machine, fake_threads[i].pid);
> +		thread = machine__findnew_thread(machine, fake_threads[i].pid,
> +						 fake_threads[i].pid);

And here

>   		if (thread == NULL)
>   			goto out;
>
> diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
> index 5295625..0f9d27a 100644
> --- a/tools/perf/util/build-id.c
> +++ b/tools/perf/util/build-id.c
> @@ -24,7 +24,8 @@ int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused,
>   {
>   	struct addr_location al;
>   	u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
> -	struct thread *thread = machine__findnew_thread(machine, event->ip.pid);
> +	struct thread *thread = machine__findnew_thread(machine, event->ip.pid,
> +							event->ip.pid);

and here.

> diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
> index 9541270..ec494a3 100644
> --- a/tools/perf/util/event.c
> +++ b/tools/perf/util/event.c
> @@ -677,7 +677,8 @@ int perf_event__preprocess_sample(const union perf_event *event,
>   				  symbol_filter_t filter)
>   {
>   	u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
> -	struct thread *thread = machine__findnew_thread(machine, event->ip.pid);
> +	struct thread *thread = machine__findnew_thread(machine, event->ip.pid,
> +							event->ip.pid);

and here

>
>   	if (thread == NULL)
>   		return -1;
> diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
> index 67ba572..16b84ac 100644
> --- a/tools/perf/util/machine.c
> +++ b/tools/perf/util/machine.c
> @@ -30,7 +30,8 @@ int machine__init(struct machine *machine, const char *root_dir, pid_t pid)
>   		return -ENOMEM;
>
>   	if (pid != HOST_KERNEL_ID) {
> -		struct thread *thread = machine__findnew_thread(machine, pid);
> +		struct thread *thread = machine__findnew_thread(machine, 0,
> +								pid);
>   		char comm[64];
>
>   		if (thread == NULL)
> @@ -282,9 +283,10 @@ static struct thread *__machine__findnew_thread(struct machine *machine,
>   	return th;
>   }
>
> -struct thread *machine__findnew_thread(struct machine *machine, pid_t tid)
> +struct thread *machine__findnew_thread(struct machine *machine, pid_t pid,
> +				       pid_t tid)
>   {
> -	return __machine__findnew_thread(machine, 0, tid, true);
> +	return __machine__findnew_thread(machine, pid, tid, true);
>   }
>
>   struct thread *machine__find_thread(struct machine *machine, pid_t tid)
> @@ -294,7 +296,9 @@ struct thread *machine__find_thread(struct machine *machine, pid_t tid)
>
>   int machine__process_comm_event(struct machine *machine, union perf_event *event)
>   {
> -	struct thread *thread = machine__findnew_thread(machine, event->comm.tid);
> +	struct thread *thread = machine__findnew_thread(machine,
> +							event->comm.pid,
> +							event->comm.tid);
>
>   	if (dump_trace)
>   		perf_event__fprintf_comm(event, stdout);
> @@ -975,7 +979,8 @@ int machine__process_mmap_event(struct machine *machine, union perf_event *event
>   		return 0;
>   	}
>
> -	thread = machine__findnew_thread(machine, event->mmap.pid);
> +	thread = machine__findnew_thread(machine, event->mmap.pid,
> +					 event->mmap.pid);

and here.

David

  reply	other threads:[~2013-07-26 16:02 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-18 10:42 [PATCH V8 00/15] perf tools: some fixes and tweaks Adrian Hunter
2013-07-18 10:42 ` [PATCH V8 01/15] perf tools: add debug prints Adrian Hunter
2013-07-18 10:42 ` [PATCH V8 02/15] perf tools: allow non-matching sample types Adrian Hunter
2013-07-18 10:42 ` [PATCH V8 03/15] perf tools: add pid to struct thread Adrian Hunter
2013-07-26 15:56   ` David Ahern
2013-07-18 10:42 ` [PATCH V8 04/15] perf tools: change machine__findnew_thread() to set thread pid Adrian Hunter
2013-07-26 16:02   ` David Ahern [this message]
2013-07-28 10:43     ` Adrian Hunter
2013-07-29 22:19       ` David Ahern
2013-07-18 10:42 ` [PATCH V8 05/15] perf tools: tidy up sample parsing overflow checking Adrian Hunter
2013-07-18 10:42 ` [PATCH V8 06/15] perf tools: remove unnecessary callchain validation Adrian Hunter
2013-07-18 10:42 ` [PATCH V8 07/15] perf tools: remove references to struct ip_event Adrian Hunter
2013-07-18 10:42 ` [PATCH V8 08/15] perf tools: move " Adrian Hunter
2013-07-18 10:42 ` [PATCH V8 09/15] perf: Update perf_event_type documentation Adrian Hunter
2013-07-18 10:42 ` [PATCH V8 10/15] perf: make events stream always parsable Adrian Hunter
2013-07-29  9:55   ` Stephane Eranian
2013-07-18 10:42 ` [PATCH V8 11/15] perf tools: move perf_evlist__config() to a new source file Adrian Hunter
2013-07-18 10:42 ` [PATCH V8 12/15] perf tools: add support for PERF_SAMPLE_IDENTFIER Adrian Hunter
2013-07-18 10:42 ` [PATCH V8 13/15] perf tools: expand perf_event__synthesize_sample() Adrian Hunter
2013-07-24 12:50   ` Jiri Olsa
2013-07-24 13:15     ` Adrian Hunter
2013-07-24 13:15       ` Jiri Olsa
2013-07-18 10:42 ` [PATCH V8 14/15] perf tools: add a function to calculate sample event size Adrian Hunter
2013-07-24 13:01   ` Jiri Olsa
2013-07-18 10:42 ` [PATCH V8 15/15] perf tools: add a sample parsing test Adrian Hunter
2013-07-24 13:12   ` Jiri Olsa

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