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Date: Fri, 26 Jul 2013 10:02:52 -0600
From: David Ahern <dsahern@...il.com>
To: Adrian Hunter <adrian.hunter@...el.com>
CC: Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
linux-kernel@...r.kernel.org,
Frederic Weisbecker <fweisbec@...il.com>,
Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
Namhyung Kim <namhyung@...il.com>,
Paul Mackerras <paulus@...ba.org>,
Peter Zijlstra <peterz@...radead.org>,
Stephane Eranian <eranian@...gle.com>,
Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH V8 04/15] perf tools: change machine__findnew_thread()
to set thread pid
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@...el.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
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