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perf timechart: Use NSEC_PER_U?SEC

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Following kernel practices, using linux/time64.h

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stanislav Fomichev <stfomichev@yandex-team.ru>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-5l1md8lsdhfnrlsqyejzo9w2@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2016-08-08 12:45:58 -03:00
parent 4fc76e495b
commit af4b2c972a
2 changed files with 13 additions and 11 deletions
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13
tools/perf/builtin-timechart.c
View File

@ -24,6 +24,7 @@
#include "util/evlist.h"
#include "util/evsel.h"
#include <linux/rbtree.h>
#include <linux/time64.h>
#include "util/symbol.h"
#include "util/callchain.h"
#include "util/strlist.h"
@ -1288,9 +1289,9 @@ static void draw_process_bars(struct timechart *tchart)
if (c->comm) {
char comm[256];
if (c->total_time > 5000000000) /* 5 seconds */
sprintf(comm, "%s:%i (%2.2fs)", c->comm, p->pid, c->total_time / 1000000000.0);
sprintf(comm, "%s:%i (%2.2fs)", c->comm, p->pid, c->total_time / (double)NSEC_PER_SEC);
else
sprintf(comm, "%s:%i (%3.1fms)", c->comm, p->pid, c->total_time / 1000000.0);
sprintf(comm, "%s:%i (%3.1fms)", c->comm, p->pid, c->total_time / (double)NSEC_PER_MSEC);
svg_text(Y, c->start_time, comm);
}
@ -1637,7 +1638,7 @@ static int __cmd_timechart(struct timechart *tchart, const char *output_name)
write_svg_file(tchart, output_name);
pr_info("Written %2.1f seconds of trace to %s.\n",
(tchart->last_time - tchart->first_time) / 1000000000.0, output_name);
(tchart->last_time - tchart->first_time) / (double)NSEC_PER_SEC, output_name);
out_delete:
perf_session__delete(session);
return ret;
@ -1901,10 +1902,10 @@ parse_time(const struct option *opt, const char *arg, int __maybe_unused unset)
if (sscanf(arg, "%" PRIu64 "%cs", value, &unit) > 0) {
switch (unit) {
case 'm':
*value *= 1000000;
*value *= NSEC_PER_MSEC;
break;
case 'u':
*value *= 1000;
*value *= NSEC_PER_USEC;
break;
case 'n':
break;
@ -1928,7 +1929,7 @@ int cmd_timechart(int argc, const char **argv,
.ordered_events = true,
},
.proc_num = 15,
.min_time = 1000000,
.min_time = NSEC_PER_MSEC,
.merge_dist = 1000,
};
const char *output_name = "output.svg";

11
tools/perf/util/svghelper.c
View File

@ -18,6 +18,7 @@
#include <unistd.h>
#include <string.h>
#include <linux/bitmap.h>
#include <linux/time64.h>
#include "perf.h"
#include "svghelper.h"
@ -274,14 +275,14 @@ static char *time_to_string(u64 duration)
text[0] = 0;
if (duration < 1000) /* less than 1 usec */
if (duration < NSEC_PER_USEC) /* less than 1 usec */
return text;
if (duration < 1000 * 1000) { /* less than 1 msec */
sprintf(text, "%.1f us", duration / 1000.0);
if (duration < NSEC_PER_MSEC) { /* less than 1 msec */
sprintf(text, "%.1f us", duration / (double)NSEC_PER_USEC);
return text;
}
sprintf(text, "%.1f ms", duration / 1000.0 / 1000);
sprintf(text, "%.1f ms", duration / (double)NSEC_PER_MSEC);
return text;
}
@ -297,7 +298,7 @@ void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
style = "waiting";
if (end-start > 10 * 1000000) /* 10 msec */
if (end-start > 10 * NSEC_PER_MSEC) /* 10 msec */
style = "WAITING";
text = time_to_string(end-start);