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>

diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
index a634022bae079c7e6d75c01a4bfeccddaf307d9e..30e12c7f7108b632f57e250a02110fb45315c306 100644 (file)
--- a/Documentation/perf_counter/builtin-report.c
+++ b/Documentation/perf_counter/builtin-report.c
@@ -760,6 +760,35 @@ static struct sort_entry sort_comm = {
        .print  = sort__comm_print,
 };
 
+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)
 {
@@ -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,     },
 };