From: tip-bot for Robert Richter <robert.richter@amd.com>
To: linux-tip-commits@vger.kernel.org
Cc: acme@redhat.com, linux-kernel@vger.kernel.org, hpa@zytor.com,
mingo@kernel.org, peterz@infradead.org, jolsa@redhat.com,
robert.richter@amd.com, tglx@linutronix.de
Subject: [tip:perf/core] perf tools: Rename some variables for better understanding
Date: Tue, 21 Aug 2012 09:26:32 -0700 [thread overview]
Message-ID: <tip-6606f8733d7b635e09e2dc3a391a5e1f0feb218f@git.kernel.org> (raw)
In-Reply-To: <1345144224-27280-4-git-send-email-robert.richter@amd.com>
Commit-ID: 6606f8733d7b635e09e2dc3a391a5e1f0feb218f
Gitweb: http://git.kernel.org/tip/6606f8733d7b635e09e2dc3a391a5e1f0feb218f
Author: Robert Richter <robert.richter@amd.com>
AuthorDate: Thu, 16 Aug 2012 21:10:19 +0200
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Fri, 17 Aug 2012 13:11:58 -0300
perf tools: Rename some variables for better understanding
Trivial patch to improve understanding of code.
Varible attr is usually used for struct perf_event_attr. Using it in a
different context is irritating. Thus, renaming it.
Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1345144224-27280-4-git-send-email-robert.richter@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
| 42 +++++++++++++++++++++---------------------
1 files changed, 21 insertions(+), 21 deletions(-)
--git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 471b0c4..e2e5129 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -608,11 +608,11 @@ static int write_nrcpus(int fd, struct perf_header *h __used,
static int write_event_desc(int fd, struct perf_header *h __used,
struct perf_evlist *evlist)
{
- struct perf_evsel *attr;
+ struct perf_evsel *evsel;
u32 nre = 0, nri, sz;
int ret;
- list_for_each_entry(attr, &evlist->entries, node)
+ list_for_each_entry(evsel, &evlist->entries, node)
nre++;
/*
@@ -625,14 +625,14 @@ static int write_event_desc(int fd, struct perf_header *h __used,
/*
* size of perf_event_attr struct
*/
- sz = (u32)sizeof(attr->attr);
+ sz = (u32)sizeof(evsel->attr);
ret = do_write(fd, &sz, sizeof(sz));
if (ret < 0)
return ret;
- list_for_each_entry(attr, &evlist->entries, node) {
+ list_for_each_entry(evsel, &evlist->entries, node) {
- ret = do_write(fd, &attr->attr, sz);
+ ret = do_write(fd, &evsel->attr, sz);
if (ret < 0)
return ret;
/*
@@ -642,7 +642,7 @@ static int write_event_desc(int fd, struct perf_header *h __used,
* copy into an nri to be independent of the
* type of ids,
*/
- nri = attr->ids;
+ nri = evsel->ids;
ret = do_write(fd, &nri, sizeof(nri));
if (ret < 0)
return ret;
@@ -650,13 +650,13 @@ static int write_event_desc(int fd, struct perf_header *h __used,
/*
* write event string as passed on cmdline
*/
- ret = do_write_string(fd, perf_evsel__name(attr));
+ ret = do_write_string(fd, perf_evsel__name(evsel));
if (ret < 0)
return ret;
/*
* write unique ids for this event
*/
- ret = do_write(fd, attr->id, attr->ids * sizeof(u64));
+ ret = do_write(fd, evsel->id, evsel->ids * sizeof(u64));
if (ret < 0)
return ret;
}
@@ -1683,7 +1683,7 @@ int perf_session__write_header(struct perf_session *session,
struct perf_file_header f_header;
struct perf_file_attr f_attr;
struct perf_header *header = &session->header;
- struct perf_evsel *attr, *pair = NULL;
+ struct perf_evsel *evsel, *pair = NULL;
int err;
lseek(fd, sizeof(f_header), SEEK_SET);
@@ -1691,9 +1691,9 @@ int perf_session__write_header(struct perf_session *session,
if (session->evlist != evlist)
pair = perf_evlist__first(session->evlist);
- list_for_each_entry(attr, &evlist->entries, node) {
- attr->id_offset = lseek(fd, 0, SEEK_CUR);
- err = do_write(fd, attr->id, attr->ids * sizeof(u64));
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ evsel->id_offset = lseek(fd, 0, SEEK_CUR);
+ err = do_write(fd, evsel->id, evsel->ids * sizeof(u64));
if (err < 0) {
out_err_write:
pr_debug("failed to write perf header\n");
@@ -1703,19 +1703,19 @@ out_err_write:
err = do_write(fd, pair->id, pair->ids * sizeof(u64));
if (err < 0)
goto out_err_write;
- attr->ids += pair->ids;
+ evsel->ids += pair->ids;
pair = perf_evsel__next(pair);
}
}
header->attr_offset = lseek(fd, 0, SEEK_CUR);
- list_for_each_entry(attr, &evlist->entries, node) {
+ list_for_each_entry(evsel, &evlist->entries, node) {
f_attr = (struct perf_file_attr){
- .attr = attr->attr,
+ .attr = evsel->attr,
.ids = {
- .offset = attr->id_offset,
- .size = attr->ids * sizeof(u64),
+ .offset = evsel->id_offset,
+ .size = evsel->ids * sizeof(u64),
}
};
err = do_write(fd, &f_attr, sizeof(f_attr));
@@ -2277,12 +2277,12 @@ int perf_event__synthesize_attrs(struct perf_tool *tool,
struct perf_session *session,
perf_event__handler_t process)
{
- struct perf_evsel *attr;
+ struct perf_evsel *evsel;
int err = 0;
- list_for_each_entry(attr, &session->evlist->entries, node) {
- err = perf_event__synthesize_attr(tool, &attr->attr, attr->ids,
- attr->id, process);
+ list_for_each_entry(evsel, &session->evlist->entries, node) {
+ err = perf_event__synthesize_attr(tool, &evsel->attr, evsel->ids,
+ evsel->id, process);
if (err) {
pr_debug("failed to create perf header attribute\n");
return err;
next prev parent reply other threads:[~2012-08-21 16:26 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-16 19:10 [PATCH 0/8] perf tools: Various updates Robert Richter
2012-08-16 19:10 ` [PATCH 1/8] perf tools: Fix type for evsel->ids and add size check for ids Robert Richter
2012-08-21 16:24 ` [tip:perf/core] perf tools: Fix type for evsel-> ids " tip-bot for Robert Richter
2012-08-16 19:10 ` [PATCH 2/8] perf tools: Report number of pmu type of unknown events Robert Richter
2012-08-21 16:25 ` [tip:perf/core] " tip-bot for Robert Richter
2012-08-16 19:10 ` [PATCH 3/8] perf tools: Rename some variables for better understanding Robert Richter
2012-08-17 15:34 ` Arnaldo Carvalho de Melo
2012-08-21 16:26 ` tip-bot for Robert Richter [this message]
2012-08-16 19:10 ` [PATCH 4/8] perf tools: Rename global variable 'events' in util/header.c Robert Richter
2012-08-21 16:27 ` [tip:perf/core] " tip-bot for Robert Richter
2012-08-16 19:10 ` [PATCH 5/8] perf tools: Catch event names from command line Robert Richter
2012-08-20 17:42 ` Jiri Olsa
2012-08-21 18:02 ` Robert Richter
2012-08-21 18:03 ` [PATCH 1/2] perf test: Update event names in test cases Robert Richter
2012-08-21 18:03 ` [PATCH 2/2] perf test: Do not abort tests on error Robert Richter
2012-08-27 16:53 ` [tip:perf/core] " tip-bot for Robert Richter
2012-08-27 16:54 ` [tip:perf/core] perf tools: Catch event names from command line tip-bot for Robert Richter
2012-08-16 19:10 ` [PATCH 6/8] perf tools: Refactor print_event_desc() Robert Richter
2012-08-27 16:55 ` [tip:perf/core] " tip-bot for Robert Richter
2012-08-16 19:10 ` [PATCH 7/8] perf report: Update event names from header description Robert Richter
2012-08-27 16:56 ` [tip:perf/core] " tip-bot for Robert Richter
2012-08-16 19:10 ` [PATCH 8/8] perf tools: Add pmu mappings to header information Robert Richter
2012-08-27 16:57 ` [tip:perf/core] " tip-bot for Robert Richter
2012-08-17 16:18 ` [PATCH 0/8] perf tools: Various updates Arnaldo Carvalho de Melo
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