* [PATCH] perf docs: description of header HEADER_BPF_PROG_INFO and HEADER_BPF_BTF
@ 2019-05-21 6:44 Song Liu
2019-06-17 18:55 ` [tip:perf/core] perf data: Add " tip-bot for Song Liu
0 siblings, 1 reply; 2+ messages in thread
From: Song Liu @ 2019-05-21 6:44 UTC (permalink / raw)
To: linux-kernel; +Cc: peterz, acme, jolsa, Song Liu
This patch addes description of HEADER_BPF_PROG_INFO and HEADER_BPF_BTF to
perf.data-file-format.txt.
Signed-off-by: Song Liu <songliubraving@fb.com>
---
.../perf/Documentation/perf.data-file-format.txt | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt
index 6967e9b02be5..ab48db21ff16 100644
--- a/tools/perf/Documentation/perf.data-file-format.txt
+++ b/tools/perf/Documentation/perf.data-file-format.txt
@@ -272,6 +272,22 @@ struct {
Two uint64_t for the time of first sample and the time of last sample.
+ HEADER_BPF_PROG_INFO = 25,
+
+struct bpf_prog_info_linear, which contains detailed information about
+a BPF program, including type, id, tag, jited/xlated instructions, etc.
+
+ HEADER_BPF_BTF = 26,
+
+Contains BPF Type Format (BTF). For more information about BTF, please
+refer to Documentation/bpf/btf.rst.
+
+struct {
+ u32 id;
+ u32 data_size;
+ char data[];
+};
+
HEADER_COMPRESSED = 27,
struct {
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [tip:perf/core] perf data: Add description of header HEADER_BPF_PROG_INFO and HEADER_BPF_BTF
2019-05-21 6:44 [PATCH] perf docs: description of header HEADER_BPF_PROG_INFO and HEADER_BPF_BTF Song Liu
@ 2019-06-17 18:55 ` tip-bot for Song Liu
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot for Song Liu @ 2019-06-17 18:55 UTC (permalink / raw)
To: linux-tip-commits
Cc: acme, hpa, peterz, linux-kernel, jolsa, mingo, tglx, songliubraving
Commit-ID: 8e21be4f815ca8edfee1decd87f298f92123f719
Gitweb: https://git.kernel.org/tip/8e21be4f815ca8edfee1decd87f298f92123f719
Author: Song Liu <songliubraving@fb.com>
AuthorDate: Mon, 20 May 2019 23:44:06 -0700
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 5 Jun 2019 09:47:52 -0300
perf data: Add description of header HEADER_BPF_PROG_INFO and HEADER_BPF_BTF
This patch addes description of HEADER_BPF_PROG_INFO and HEADER_BPF_BTF to
perf.data-file-format.txt.
Requested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Fixes: 606f972b1361 ("perf bpf: Save bpf_prog_info information as headers to perf.data")
Link: http://lkml.kernel.org/r/20190521064406.2498925-1-songliubraving@fb.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Documentation/perf.data-file-format.txt | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt
index 6967e9b02be5..022bb8b1c84a 100644
--- a/tools/perf/Documentation/perf.data-file-format.txt
+++ b/tools/perf/Documentation/perf.data-file-format.txt
@@ -272,6 +272,22 @@ struct {
Two uint64_t for the time of first sample and the time of last sample.
+ HEADER_BPF_PROG_INFO = 25,
+
+struct bpf_prog_info_linear, which contains detailed information about
+a BPF program, including type, id, tag, jited/xlated instructions, etc.
+
+ HEADER_BPF_BTF = 26,
+
+Contains BPF Type Format (BTF). For more information about BTF, please
+refer to Documentation/bpf/btf.rst.
+
+struct {
+ u32 id;
+ u32 data_size;
+ char data[];
+};
+
HEADER_COMPRESSED = 27,
struct {
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2019-06-17 18:55 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-05-21 6:44 [PATCH] perf docs: description of header HEADER_BPF_PROG_INFO and HEADER_BPF_BTF Song Liu
2019-06-17 18:55 ` [tip:perf/core] perf data: Add " tip-bot for Song Liu
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.