pref_counter: tools: report: Add dso 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: <20090527182101.229504802@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 30 insertions, 0 deletions

diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
index a634022bae07..30e12c7f7108 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,     },
 };