From: Jiri Olsa <jolsa@redhat.com>
To: Song Liu <songliubraving@fb.com>
Cc: bpf@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, ast@kernel.org,
daniel@iogearbox.net, kernel-team@fb.com, peterz@infradead.org,
acme@redhat.com, jolsa@kernel.org, namhyung@kernel.org
Subject: Re: [PATCH v6 perf,bpf 14/15] perf: introduce side band thread
Date: Thu, 7 Mar 2019 15:05:34 +0100 [thread overview]
Message-ID: <20190307140534.GA7233@krava> (raw)
In-Reply-To: <20190306071359.2359896-15-songliubraving@fb.com>
On Tue, Mar 05, 2019 at 11:13:58PM -0800, Song Liu wrote:
SNIP
> +void perf_evlist__stop_sb_thread(struct perf_evlist *evlist)
> +{
> + if (!evlist)
> + return;
> + evlist->thread.done = 1;
> + pthread_join(evlist->thread.th, NULL);
> + perf_evlist__exit(evlist);
> + evlist = NULL;
> +}
> diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
> index 868294491194..ed8cab1b7438 100644
> --- a/tools/perf/util/evlist.h
> +++ b/tools/perf/util/evlist.h
> @@ -51,6 +51,11 @@ struct perf_evlist {
> struct perf_env *env;
> u64 first_sample_time;
> u64 last_sample_time;
> + struct {
> + pthread_t th;
> + struct perf_evsel *evsel;
what's the evsel pointer for?
> + volatile int done;
> + } thread;
> };
SNIP
next prev parent reply other threads:[~2019-03-07 14:05 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-06 7:13 [PATCH v6 perf,bpf 00/15] perf annotation of BPF programs Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 01/15] perf, bpf: consider events with attr.bpf_event as side-band events Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 02/15] bpf: libbpf: introduce bpf_program__get_prog_info_linear() Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 03/15] bpf: bpftool: use bpf_program__get_prog_info_linear() in prog.c:do_dump() Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 04/15] perf, bpf: synthesize bpf events with bpf_program__get_prog_info_linear() Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 05/15] perf: change prototype of perf_event__synthesize_bpf_events() Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 06/15] perf, bpf: save bpf_prog_info in a rbtree in perf_env Song Liu
2019-03-07 14:05 ` Jiri Olsa
2019-03-07 17:20 ` Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 07/15] perf, bpf: save bpf_prog_info information as headers to perf.data Song Liu
2019-03-07 14:05 ` Jiri Olsa
2019-03-07 17:19 ` Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 08/15] perf, bpf: save btf in a rbtree in perf_env Song Liu
2019-03-07 14:05 ` Jiri Olsa
2019-03-06 7:13 ` [PATCH v6 perf,bpf 09/15] perf, bpf: save btf information as headers to perf.data Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 10/15] perf-top: add option --no-bpf-event Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 11/15] perf: add -lopcodes to feature-libbfd Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 12/15] perf, bpf: enable annotation of bpf program Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 13/15] perf, bpf: process PERF_BPF_EVENT_PROG_LOAD for annotation Song Liu
2019-03-06 7:13 ` [PATCH v6 perf,bpf 14/15] perf: introduce side band thread Song Liu
2019-03-07 14:05 ` Jiri Olsa [this message]
2019-03-06 7:13 ` [PATCH v6 perf,bpf 15/15] perf, bpf: save bpf_prog_info and btf of short living bpf programs Song Liu
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