From 6606f8733d7b635e09e2dc3a391a5e1f0feb218f Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Thu, 16 Aug 2012 21:10:19 +0200 Subject: [PATCH] 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 Cc: Ingo Molnar Cc: Jiri Olsa Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1345144224-27280-4-git-send-email-robert.richter@amd.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/header.c | 42 ++++++++++++++++++++-------------------- 1 file changed, 21 insertions(+), 21 deletions(-) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 471b0c42db3..e2e5129873f 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; -- 2.20.1