perf_counter: tools: report: Add comm sorting
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: John Kacur <jkacur@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <20090527182101.129302022@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
index 982abce..a634022 100644
--- a/Documentation/perf_counter/builtin-report.c
+++ b/Documentation/perf_counter/builtin-report.c
@@ -732,6 +732,35 @@
};
static int64_t
+sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
+{
+ char *comm_l = left->thread->comm;
+ char *comm_r = right->thread->comm;
+
+ if (!comm_l || !comm_r) {
+ if (!comm_l && !comm_r)
+ return 0;
+ else if (!comm_l)
+ return -1;
+ else
+ return 1;
+ }
+
+ return strcmp(comm_l, comm_r);
+}
+
+static size_t
+sort__comm_print(FILE *fp, struct hist_entry *self)
+{
+ return fprintf(fp, "%20s ", self->thread->comm ?: "<unknown>");
+}
+
+static struct sort_entry sort_comm = {
+ .cmp = sort__comm_cmp,
+ .print = sort__comm_print,
+};
+
+static int64_t
sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
{
uint64_t ip_l, ip_r;
@@ -779,6 +808,7 @@
static struct sort_dimension sort_dimensions[] = {
{ .name = "pid", .entry = &sort_thread, },
+ { .name = "comm", .entry = &sort_comm, },
{ .name = "symbol", .entry = &sort_sym, },
};