diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/time-utils.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tools/perf/util/time-utils.c b/tools/perf/util/time-utils.c index 88510ab6450e..5769f972c23e 100644 --- a/tools/perf/util/time-utils.c +++ b/tools/perf/util/time-utils.c @@ -261,6 +261,37 @@ static int percent_comma_split(struct perf_time_interval *ptime_buf, int num, return i; } +static int one_percent_convert(struct perf_time_interval *ptime_buf, + const char *ostr, u64 start, u64 end, char *c) +{ + char *str; + int len = strlen(ostr), ret; + + /* + * c points to '%'. + * '%' should be the last character + */ + if (ostr + len - 1 != c) + return -1; + + /* + * Construct a string like "xx%/1" + */ + str = malloc(len + 3); + if (str == NULL) + return -ENOMEM; + + memcpy(str, ostr, len); + strcpy(str + len, "/1"); + + ret = percent_slash_split(str, ptime_buf, start, end); + if (ret == 0) + ret = 1; + + free(str); + return ret; +} + int perf_time__percent_parse_str(struct perf_time_interval *ptime_buf, int num, const char *ostr, u64 start, u64 end) { @@ -270,6 +301,7 @@ int perf_time__percent_parse_str(struct perf_time_interval *ptime_buf, int num, * ostr example: * 10%/2,10%/3: select the second 10% slice and the third 10% slice * 0%-10%,30%-40%: multiple time range + * 50%: just one percent */ memset(ptime_buf, 0, sizeof(*ptime_buf) * num); @@ -286,6 +318,10 @@ int perf_time__percent_parse_str(struct perf_time_interval *ptime_buf, int num, end, percent_dash_split); } + c = strchr(ostr, '%'); + if (c) + return one_percent_convert(ptime_buf, ostr, start, end, c); + return -1; } |