From: Jiri Olsa <jolsa@redhat.com>
To: Song Liu <songliubraving@fb.com>
Cc: 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
Subject: Re: [PATCH 5/9] perf, bpf: save bpf_prog_info in a rbtree in perf_env
Date: Thu, 14 Feb 2019 13:26:38 +0100 [thread overview]
Message-ID: <20190214122638.GD26714@krava> (raw)
In-Reply-To: <20190209011705.2160185-6-songliubraving@fb.com>
On Fri, Feb 08, 2019 at 05:17:01PM -0800, Song Liu wrote:
SNIP
> diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h
> index d01b8355f4ca..5894a177b7cf 100644
> --- a/tools/perf/util/env.h
> +++ b/tools/perf/util/env.h
> @@ -3,7 +3,10 @@
> #define __PERF_ENV_H
>
> #include <linux/types.h>
> +#include <linux/rbtree.h>
> #include "cpumap.h"
> +#include "rwsem.h"
> +#include "bpf-event.h"
>
> struct cpu_topology_map {
> int socket_id;
> @@ -64,6 +67,8 @@ struct perf_env {
> struct memory_node *memory_nodes;
> unsigned long long memory_bsize;
> u64 clockid_res_ns;
> + struct rw_semaphore bpf_info_lock;
why's the lock needed?
jirka
next prev parent reply other threads:[~2019-02-14 12:26 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-09 1:16 [PATCH 0/9] perf annotation of BPF programs Song Liu
2019-02-09 1:16 ` [PATCH 1/9] perf, bpf: consider events with attr.bpf_event as side-band events Song Liu
2019-02-09 1:16 ` [PATCH 2/9] bpf: libbpf: introduce bpf_program__get_prog_info_linear() Song Liu
2019-02-09 1:16 ` [PATCH 3/9] bpf: bpftool: use bpf_program__get_prog_info_linear() in prog.c:do_dump() Song Liu
2019-02-09 1:17 ` [PATCH 4/9] perf, bpf: synthesize bpf events with bpf_program__get_prog_info_linear() Song Liu
2019-02-09 1:17 ` [PATCH 5/9] perf, bpf: save bpf_prog_info in a rbtree in perf_env Song Liu
2019-02-14 12:26 ` Jiri Olsa [this message]
2019-02-14 17:01 ` Song Liu
2019-02-14 12:33 ` Jiri Olsa
2019-02-14 17:03 ` Song Liu
2019-02-15 7:41 ` Jiri Olsa
2019-02-11 18:54 ` [PATCH 0/9] perf annotation of BPF programs Arnaldo Carvalho de Melo
2019-02-11 20:10 ` Song Liu
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