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perf hists browser: Show message for percent limit

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Like the stdio, it should show messages about omitted hierarchy entries.
Please refer the previous commit for more details.

As it needs to check an entry is omitted or not multiple times, add the
has_no_entry field in the hist entry.

Suggested-and-Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1456488800-28124-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2016-02-26 21:13:19 +09:00
committed by Arnaldo Carvalho de Melo
parent 201fde73b1
commit 79dded8776
3 changed files with 102 additions and 0 deletions
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2
tools/perf/util/hist.c
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@@ -1625,6 +1625,7 @@ static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h
/* force fold unfiltered entry for simplicity */
parent->unfolded = false;
parent->has_no_entry = false;
parent->row_offset = 0;
parent->nr_rows = 0;
next:
@@ -1637,6 +1638,7 @@ next:
/* force fold unfiltered entry for simplicity */
h->unfolded = false;
h->has_no_entry = false;
h->row_offset = 0;
h->nr_rows = 0;