[tip:perfcounters/core] pref_counter: tools: report: Add dso sorting

[tip-bot for Peter Zijlstra]

Commit-ID:  55e5ec41a9de46b6ca06031f4fbdfdfc76dc24dc
Gitweb:     http://git.kernel.org/tip/55e5ec41a9de46b6ca06031f4fbdfdfc76dc24dc
Author:     Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
AuthorDate: Wed, 27 May 2009 20:20:28 +0200
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Wed, 27 May 2009 21:44:15 +0200

pref_counter: tools: report: Add dso sorting

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: John Kacur <jkacur@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
LKML-Reference: <20090527182101.229504802@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
 Documentation/perf_counter/builtin-report.c |   30 +++++++++++++++++++++++++++
 1 files changed, 30 insertions(+), 0 deletions(-)

diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
index a634022..30e12c7 100644
--- a/Documentation/perf_counter/builtin-report.c
+++ b/Documentation/perf_counter/builtin-report.c
@@ -761,6 +761,35 @@ static struct sort_entry sort_comm = {
 };
 
 static int64_t
+sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
+{
+	struct dso *dso_l = left->dso;
+	struct dso *dso_r = right->dso;
+
+	if (!dso_l || !dso_r) {
+		if (!dso_l && !dso_r)
+			return 0;
+		else if (!dso_l)
+			return -1;
+		else
+			return 1;
+	}
+
+	return strcmp(dso_l->name, dso_r->name);
+}
+
+static size_t
+sort__dso_print(FILE *fp, struct hist_entry *self)
+{
+	return fprintf(fp, "%64s ", self->dso ? self->dso->name : "<unknown>");
+}
+
+static struct sort_entry sort_dso = {
+	.cmp	= sort__dso_cmp,
+	.print	= sort__dso_print,
+};
+
+static int64_t
 sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
 {
 	uint64_t ip_l, ip_r;
@@ -809,6 +838,7 @@ struct sort_dimension {
 static struct sort_dimension sort_dimensions[] = {
 	{ .name = "pid",	.entry = &sort_thread,	},
 	{ .name = "comm",	.entry = &sort_comm,	},
+	{ .name = "dso",	.entry = &sort_dso,	},
 	{ .name = "symbol",	.entry = &sort_sym,	},
 };
 
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