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perf top: Improve lost events warning

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Now it warns everytime that new events are lost.

And the TUI also warns now.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-w1n168yrvrppnq6887s4u0wx@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2011-09-01 14:27:58 -03:00
parent eb48900831
commit dcc101d1d0
3 changed files with 44 additions and 17 deletions
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3
tools/perf/util/top.h
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@@ -10,6 +10,7 @@
struct perf_evlist;
struct perf_evsel;
struct perf_session;
struct sym_entry {
struct rb_node rb_node;
@@ -38,6 +39,7 @@ struct perf_top {
u64 kernel_samples, us_samples;
u64 exact_samples;
u64 guest_us_samples, guest_kernel_samples;
u64 total_lost_warned;
int print_entries, count_filter, delay_secs;
int display_weighted, freq, rb_entries;
pid_t target_pid, target_tid;
@@ -45,6 +47,7 @@ struct perf_top {
const char *cpu_list;
struct sym_entry *sym_filter_entry;
struct perf_evsel *sym_evsel;
struct perf_session *session;
};
size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size);