mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: kan.liang@intel.com
To: acme@kernel.org, peterz@infradead.org, mingo@redhat.com,
	linux-kernel@vger.kernel.org
Cc: jolsa@kernel.org, wangnan0@huawei.com, hekuang@huawei.com,
	namhyung@kernel.org, alexander.shishkin@linux.intel.com,
	adrian.hunter@intel.com, ak@linux.intel.com,
	Kan Liang <kan.liang@intel.com>
Subject: [PATCH 08/10] perf python: apply new mmap_read interfaces
Date: Tue, 10 Oct 2017 10:20:21 -0700	[thread overview]
Message-ID: <1507656023-177125-9-git-send-email-kan.liang@intel.com> (raw)
In-Reply-To: <1507656023-177125-1-git-send-email-kan.liang@intel.com>

From: Kan Liang <kan.liang@intel.com>

no functional change

Signed-off-by: Kan Liang <kan.liang@intel.com>
---
 tools/perf/util/python.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index c129e99..cfbaa86 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -948,6 +948,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
 {
 	struct perf_evlist *evlist = &pevlist->evlist;
 	union perf_event *event;
+	struct perf_mmap_read read;
 	int sample_id_all = 1, cpu;
 	static char *kwlist[] = { "cpu", "sample_id_all", NULL };
 	int err;
@@ -956,7 +957,11 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
 					 &cpu, &sample_id_all))
 		return NULL;
 
-	event = perf_evlist__mmap_read(evlist, cpu);
+	if (perf_evlist__mmap_read_init(evlist, cpu, &read, false))
+		return PyErr_Format(PyExc_OSError,
+				    "Can't get mmap information\n");
+
+	event = perf_mmap__read_event(&read);
 	if (event != NULL) {
 		PyObject *pyevent = pyrf_event__new(event);
 		struct pyrf_event *pevent = (struct pyrf_event *)pyevent;
@@ -975,7 +980,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
 
 		/* Consume the even only after we parsed it out. */
 		perf_evlist__mmap_consume(evlist, cpu);
-
+		perf_mmap__read_done(&read);
 		if (err)
 			return PyErr_Format(PyExc_OSError,
 					    "perf: can't parse sample, err=%d", err);
-- 
2.5.5

  parent reply	other threads:[~2017-10-10 17:24 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-10 17:20 [PATCH 00/10] new mmap_read interfaces for ring buffer kan.liang
2017-10-10 17:20 ` [PATCH 01/10] perf record: new interfaces to read ring buffer to file kan.liang
2017-10-10 18:24   ` Arnaldo Carvalho de Melo
2017-10-10 18:30   ` Arnaldo Carvalho de Melo
2017-10-11  4:12     ` Liang, Kan
2017-10-11 14:45       ` Arnaldo Carvalho de Melo
2017-10-11 15:16         ` Liang, Kan
2017-10-10 17:20 ` [PATCH 02/10] perf tool: fix: Don't discard prev in backward mode kan.liang
2017-10-10 18:14   ` Arnaldo Carvalho de Melo
2017-10-10 18:18     ` Liang, Kan
2017-10-13 12:55     ` Liang, Kan
2017-10-13 13:13       ` Arnaldo Carvalho de Melo
2017-10-13 13:14         ` Liang, Kan
2017-10-10 18:23   ` Wangnan (F)
2017-10-10 18:50     ` Wangnan (F)
2017-10-10 19:50       ` Liang, Kan
2017-10-10 20:18         ` Wangnan (F)
2017-10-11  2:12           ` Liang, Kan
2017-10-11 14:57             ` Liang, Kan
2017-10-12  1:11               ` Wangnan (F)
2017-10-12 12:49                 ` Liang, Kan
2017-10-12 14:43                   ` Wangnan (F)
2017-10-10 19:36     ` Liang, Kan
2017-10-10 17:20 ` [PATCH 03/10] perf tool: new iterfaces to read event from ring buffer kan.liang
2017-10-10 18:15   ` Arnaldo Carvalho de Melo
2017-10-10 18:28     ` Liang, Kan
2017-10-10 18:34       ` Arnaldo Carvalho de Melo
2017-10-10 18:36         ` Arnaldo Carvalho de Melo
2017-10-10 19:00           ` Arnaldo Carvalho de Melo
2017-10-10 19:10             ` Wangnan (F)
2017-10-10 19:17               ` Arnaldo Carvalho de Melo
2017-10-10 19:22                 ` Wangnan (F)
2017-10-10 19:55                   ` Liang, Kan
2017-10-10 19:59                     ` Wangnan (F)
2017-10-10 17:20 ` [PATCH 04/10] perf tool: perf_mmap__read_init wrapper for evlist kan.liang
2017-10-10 17:20 ` [PATCH 05/10] perf top: apply new mmap_read interfaces kan.liang
2017-10-10 17:20 ` [PATCH 06/10] perf trace: " kan.liang
2017-10-10 17:20 ` [PATCH 07/10] perf kvm: " kan.liang
2017-10-10 17:20 ` kan.liang [this message]
2017-10-10 17:20 ` [PATCH 09/10] perf tests: " kan.liang
2017-10-10 17:20 ` [PATCH 10/10] perf tool: remove stale " kan.liang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1507656023-177125-9-git-send-email-kan.liang@intel.com \
    --to=kan.liang@intel.com \
    --cc=acme@kernel.org \
    --cc=adrian.hunter@intel.com \
    --cc=ak@linux.intel.com \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=hekuang@huawei.com \
    --cc=jolsa@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    --cc=wangnan0@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

Powered by JetHome