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perf ui progress: Per progress bar state

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That will ease using a progress bar across multiple functions, like in
the upcoming patches that will present a progress bar when collapsing
histograms.

Based on a previous patch by Namhyung Kim.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.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-cr7lq7ud9fj21bg7wvq27w1u@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2013-10-23 15:40:38 -03:00
parent 4779a2e99a
commit 4d3001fdfd
5 changed files with 47 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

24
tools/perf/util/session.c
View file

@ -503,13 +503,16 @@ static int flush_sample_queue(struct perf_session *s,
struct perf_sample sample;
u64 limit = os->next_flush;
u64 last_ts = os->last_sample ? os->last_sample->timestamp : 0ULL;
unsigned idx = 0, progress_next = os->nr_samples / 16;
bool show_progress = limit == ULLONG_MAX;
struct ui_progress prog;
int ret;
if (!tool->ordered_samples || !limit)
return 0;
if (show_progress)
ui_progress__init(&prog, os->nr_samples, "Processing time ordered events...");
list_for_each_entry_safe(iter, tmp, head, list) {
if (session_done())
return 0;
@ -530,11 +533,9 @@ static int flush_sample_queue(struct perf_session *s,
os->last_flush = iter->timestamp;
list_del(&iter->list);
list_add(&iter->list, &os->sample_cache);
if (show_progress && (++idx >= progress_next)) {
progress_next += os->nr_samples / 16;
ui_progress__update(idx, os->nr_samples,
"Processing time ordered events...");
}
if (show_progress)
ui_progress__update(&prog, 1);
}
if (list_empty(head)) {
@ -1285,12 +1286,13 @@ int __perf_session__process_events(struct perf_session *session,
u64 file_size, struct perf_tool *tool)
{
int fd = perf_data_file__fd(session->file);
u64 head, page_offset, file_offset, file_pos, progress_next;
u64 head, page_offset, file_offset, file_pos;
int err, mmap_prot, mmap_flags, map_idx = 0;
size_t mmap_size;
char *buf, *mmaps[NUM_MMAPS];
union perf_event *event;
uint32_t size;
struct ui_progress prog;
perf_tool__fill_defaults(tool);
@ -1301,7 +1303,7 @@ int __perf_session__process_events(struct perf_session *session,
if (data_size && (data_offset + data_size < file_size))
file_size = data_offset + data_size;
progress_next = file_size / 16;
ui_progress__init(&prog, file_size, "Processing events...");
mmap_size = MMAP_SIZE;
if (mmap_size > file_size)
@ -1356,11 +1358,7 @@ more:
head += size;
file_pos += size;
if (file_pos >= progress_next) {
progress_next += file_size / 16;
ui_progress__update(file_pos, file_size,
"Processing events...");
}
ui_progress__update(&prog, size);
if (session_done())
goto out;