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-rw-r--r--tools/perf/builtin-top.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 35e86c6df713..68cd61ef6ac5 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -38,6 +38,7 @@
#include "util/cpumap.h"
#include "util/xyarray.h"
#include "util/sort.h"
+#include "util/intlist.h"
#include "util/debug.h"
@@ -706,8 +707,16 @@ static void perf_event__process_sample(struct perf_tool *tool,
int err;
if (!machine && perf_guest) {
- pr_err("Can't find guest [%d]'s kernel information\n",
- event->ip.pid);
+ static struct intlist *seen;
+
+ if (!seen)
+ seen = intlist__new();
+
+ if (!intlist__has_entry(seen, event->ip.pid)) {
+ pr_err("Can't find guest [%d]'s kernel information\n",
+ event->ip.pid);
+ intlist__add(seen, event->ip.pid);
+ }
return;
}
@@ -811,7 +820,7 @@ static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
int ret;
while ((event = perf_evlist__mmap_read(top->evlist, idx)) != NULL) {
- ret = perf_session__parse_sample(session, event, &sample);
+ ret = perf_evlist__parse_sample(top->evlist, event, &sample, false);
if (ret) {
pr_err("Can't parse sample, err = %d\n", ret);
continue;
@@ -943,8 +952,10 @@ try_again:
* based cpu-clock-tick sw counter, which
* is always available even if no PMU support:
*/
- if (attr->type == PERF_TYPE_HARDWARE &&
- attr->config == PERF_COUNT_HW_CPU_CYCLES) {
+ if ((err == ENOENT || err == ENXIO) &&
+ (attr->type == PERF_TYPE_HARDWARE) &&
+ (attr->config == PERF_COUNT_HW_CPU_CYCLES)) {
+
if (verbose)
ui__warning("Cycles event not supported,\n"
"trying to fall back to cpu-clock-ticks\n");
@@ -1032,7 +1043,7 @@ static int __cmd_top(struct perf_top *top)
&top->session->host_machine);
perf_top__start_counters(top);
top->session->evlist = top->evlist;
- perf_session__update_sample_type(top->session);
+ perf_session__set_id_hdr_size(top->session);
/* Wait for a minimal set of events before starting the snapshot */
poll(top->evlist->pollfd, top->evlist->nr_fds, 100);