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From: Alexey Budankov <alexey.budankov@linux.intel.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>, Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Andi Kleen <ak@linux.intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH v2 05/15] perf session: introduce decompressor into trace reader object
Date: Wed, 21 Oct 2020 19:00:30 +0300	[thread overview]
Message-ID: <b3c73389-7b4c-89cd-423c-68b00fcc61c9@linux.intel.com> (raw)
In-Reply-To: <1ec29ed6-0047-d22f-630b-a7f5ccee96b4@linux.intel.com>


Introduce decompressor to trace reader object so that decompression
could be executed on per trace file basis separately for every
trace file located in trace directory.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
---
 tools/perf/util/session.c | 4 +++-
 tools/perf/util/session.h | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 911b2dbcd0ac..6afc670fdf0c 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -44,6 +44,8 @@ static int perf_session__process_compressed_event(struct perf_session *session,
 	u64 decomp_last_rem = 0;
 	size_t mmap_len, decomp_len = session->header.env.comp_mmap_len;
 	struct decomp *decomp, *decomp_last = session->decomp_last;
+	struct zstd_data *zstd_data = session->reader ?
+		&(session->reader->zstd_data) : &(session->zstd_data);
 
 	if (decomp_last) {
 		decomp_last_rem = decomp_last->size - decomp_last->head;
@@ -71,7 +73,7 @@ static int perf_session__process_compressed_event(struct perf_session *session,
 	src = (void *)event + sizeof(struct perf_record_compressed);
 	src_size = event->pack.header.size - sizeof(struct perf_record_compressed);
 
-	decomp_size = zstd_decompress_stream(&(session->zstd_data), src, src_size,
+	decomp_size = zstd_decompress_stream(zstd_data, src, src_size,
 				&(decomp->data[decomp_last_rem]), decomp_len - decomp_last_rem);
 	if (!decomp_size) {
 		munmap(decomp, mmap_len);
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index abdb8518a81f..4fc9ccdf7970 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -42,6 +42,7 @@ struct reader {
 	u64		 data_size;
 	u64		 data_offset;
 	reader_cb_t	 process;
+	struct zstd_data zstd_data;
 };
 
 struct perf_session {
-- 
2.24.1



  parent reply	other threads:[~2020-10-21 16:00 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-21 15:52 [PATCH v2 00/15] Introduce threaded trace streaming for basic perf record operation Alexey Budankov
2020-10-21 15:56 ` [PATCH v2 01/15] perf session: introduce trace file path to be shown in raw trace dump Alexey Budankov
2020-10-22  4:28   ` Namhyung Kim
2020-10-21 15:57 ` [PATCH v2 02/15] perf report: output trace file name " Alexey Budankov
2020-10-22  4:29   ` Namhyung Kim
2020-10-21 15:57 ` [PATCH v2 03/15] perf data: open data directory in read access mode Alexey Budankov
2020-10-22  4:31   ` Namhyung Kim
2020-10-22  7:50     ` Alexey Budankov
2020-10-24 15:43   ` Jiri Olsa
2020-10-26 17:47     ` Alexey Budankov
2020-10-27 11:59       ` Jiri Olsa
2020-10-27 14:44         ` Alexey Budankov
2020-10-21 15:59 ` [PATCH v2 04/15] perf session: move reader object definition to header file Alexey Budankov
2020-10-22  4:31   ` Namhyung Kim
2020-10-24 15:44   ` Jiri Olsa
2020-10-26 17:50     ` Alexey Budankov
2020-10-21 16:00 ` Alexey Budankov [this message]
2020-10-22  4:36   ` [PATCH v2 05/15] perf session: introduce decompressor into trace reader object Namhyung Kim
2020-10-22  7:20     ` Alexey Budankov
2020-10-24 15:44   ` Jiri Olsa
2020-10-26  8:54     ` Alexei Budankov
2020-10-21 16:01 ` [PATCH v2 06/15] perf session: load data directory into tool process memory Alexey Budankov
2020-10-24 15:43   ` Jiri Olsa
2020-10-27  7:37     ` Alexey Budankov
2020-10-27 12:21       ` Jiri Olsa
2020-10-27 14:43         ` Alexey Budankov
2020-10-28  7:22           ` Namhyung Kim
2020-10-28 15:39             ` Jiri Olsa
2020-10-29 11:00               ` Namhyung Kim
2020-10-28 15:36           ` Jiri Olsa
2020-10-27 15:04         ` Alexey Budankov
2020-10-21 16:01 ` [PATCH v2 07/15] perf record: introduce trace file, compressor and stats in mmap object Alexey Budankov
2020-10-21 16:02 ` [PATCH v2 08/15] perf record: write trace data into mmap trace files Alexey Budankov
2020-10-24 15:44   ` Jiri Olsa
2020-10-26  8:52     ` Alexei Budankov
2020-10-26 10:32       ` Jiri Olsa
2020-10-26 14:04         ` Alexei Budankov
2020-10-21 16:03 ` [PATCH v2 09/15] perf record: introduce thread specific objects for trace streaming Alexey Budankov
2020-10-24 15:44   ` Jiri Olsa
2020-10-26  8:53     ` Alexei Budankov
2020-10-21 16:04 ` [PATCH v2 10/15] perf record: manage thread specific data array Alexey Budankov
2020-10-24 15:44   ` Jiri Olsa
2020-10-26  8:39     ` Alexei Budankov
2020-10-21 16:06 ` [PATCH v2 11/15] perf evlist: introduce evlist__ctlfd_update() to update ctl fd status Alexey Budankov
2020-10-21 16:07 ` [PATCH v2 12/15] perf record: introduce thread local variable for trace streaming Alexey Budankov
2020-10-24 15:43   ` Jiri Olsa
2020-10-26  8:21     ` Alexei Budankov
2020-10-26 10:34       ` Jiri Olsa
2020-10-26 14:11         ` Alexei Budankov
2020-10-27 12:01           ` Jiri Olsa
2020-10-27 14:16             ` Alexey Budankov
2020-10-27 15:58             ` Alexey Budankov
2020-10-21 16:08 ` [PATCH v2 13/15] perf record: stop threads in the end of " Alexey Budankov
2020-10-21 16:10 ` [PATCH v2 14/15] perf record: start threads in the beginning " Alexey Budankov
2020-10-24 15:44   ` Jiri Olsa
2020-10-26  8:39     ` Alexei Budankov
2020-10-21 16:10 ` [PATCH v2 15/15] perf record: introduce --threads command line option Alexey Budankov
2020-10-24 15:43 ` [PATCH v2 00/15] Introduce threaded trace streaming for basic perf record operation Jiri Olsa
2020-10-26 17:59   ` Alexey Budankov
2020-10-27 12:10     ` Jiri Olsa
2020-10-27 14:26       ` Alexey Budankov
2020-10-27 16:01       ` Alexey Budankov
2020-10-28  7:08         ` Namhyung Kim
     [not found]           ` <b6150d2f-04a6-9204-59ac-c31c8697c630@linux.intel.com>
2020-10-28 15:32             ` Jiri Olsa

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