^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <sys/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/time64.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <inttypes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <math.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "time-utils.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "session.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "evlist.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) int parse_nsec_time(const char *str, u64 *ptime)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) u64 time_sec, time_nsec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) char *end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) time_sec = strtoul(str, &end, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) if (*end != '.' && *end != '\0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) if (*end == '.') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) char nsec_buf[10];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) if (strlen(++end) > 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) strncpy(nsec_buf, end, 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) nsec_buf[9] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) /* make it nsec precision */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) for (i = strlen(nsec_buf); i < 9; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) nsec_buf[i] = '0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) time_nsec = strtoul(nsec_buf, &end, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (*end != '\0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) time_nsec = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) *ptime = time_sec * NSEC_PER_SEC + time_nsec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static int parse_timestr_sec_nsec(struct perf_time_interval *ptime,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) char *start_str, char *end_str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (start_str && (*start_str != '\0') &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) (parse_nsec_time(start_str, &ptime->start) != 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) if (end_str && (*end_str != '\0') &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) (parse_nsec_time(end_str, &ptime->end) != 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static int split_start_end(char **start, char **end, const char *ostr, char ch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) char *start_str, *end_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) char *d, *str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (ostr == NULL || *ostr == '\0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) /* copy original string because we need to modify it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) str = strdup(ostr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) if (str == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) start_str = str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) d = strchr(start_str, ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) if (d) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) *d = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) ++d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) end_str = d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) *start = start_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) *end = end_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int perf_time__parse_str(struct perf_time_interval *ptime, const char *ostr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) char *start_str = NULL, *end_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) rc = split_start_end(&start_str, &end_str, ostr, ',');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (rc || !start_str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) ptime->start = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) ptime->end = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) rc = parse_timestr_sec_nsec(ptime, start_str, end_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) free(start_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /* make sure end time is after start time if it was given */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) if (rc == 0 && ptime->end && ptime->end < ptime->start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) pr_debug("start time %" PRIu64 ", ", ptime->start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) pr_debug("end time %" PRIu64 "\n", ptime->end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static int perf_time__parse_strs(struct perf_time_interval *ptime,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) const char *ostr, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) const char *cp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) char *str, *arg, *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) int i, num = 0, rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) /* Count the commas */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) for (cp = ostr; *cp; cp++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) num += !!(*cp == ',');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) if (!num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) BUG_ON(num > size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) str = strdup(ostr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) if (!str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /* Split the string and parse each piece, except the last */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) for (i = 0, p = str; i < num - 1; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) arg = p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) /* Find next comma, there must be one */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) p = skip_spaces(strchr(p, ',') + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) /* Skip the value, must not contain space or comma */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) while (*p && !isspace(*p)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (*p++ == ',') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) rc = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) /* Split and parse */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (*p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) *p++ = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) rc = perf_time__parse_str(ptime + i, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) /* Parse the last piece */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) rc = perf_time__parse_str(ptime + i, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) /* Check there is no overlap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) for (i = 0; i < num - 1; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) if (ptime[i].end >= ptime[i + 1].start) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) rc = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) rc = num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) free(str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) static int parse_percent(double *pcnt, char *str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) char *c, *endptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) double d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) c = strchr(str, '%');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) if (c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) *c = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) d = strtod(str, &endptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if (endptr != str + strlen(str))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) *pcnt = d / 100.0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static int set_percent_time(struct perf_time_interval *ptime, double start_pcnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) double end_pcnt, u64 start, u64 end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) u64 total = end - start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) if (start_pcnt < 0.0 || start_pcnt > 1.0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) end_pcnt < 0.0 || end_pcnt > 1.0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) ptime->start = start + round(start_pcnt * total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) ptime->end = start + round(end_pcnt * total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if (ptime->end > ptime->start && ptime->end != end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) ptime->end -= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static int percent_slash_split(char *str, struct perf_time_interval *ptime,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) u64 start, u64 end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) char *p, *end_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) double pcnt, start_pcnt, end_pcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) * Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) * 10%/2: select the second 10% slice and the third 10% slice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) /* We can modify this string since the original one is copied */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) p = strchr(str, '/');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) if (!p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) *p = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) if (parse_percent(&pcnt, str) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) p++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) i = (int)strtol(p, &end_str, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (*end_str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) if (pcnt <= 0.0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) start_pcnt = pcnt * (i - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) end_pcnt = pcnt * i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) return set_percent_time(ptime, start_pcnt, end_pcnt, start, end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) static int percent_dash_split(char *str, struct perf_time_interval *ptime,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) u64 start, u64 end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) char *start_str = NULL, *end_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) double start_pcnt, end_pcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) * Example: 0%-10%
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) ret = split_start_end(&start_str, &end_str, str, '-');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) if (ret || !start_str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if ((parse_percent(&start_pcnt, start_str) != 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) (parse_percent(&end_pcnt, end_str) != 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) free(start_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) free(start_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) return set_percent_time(ptime, start_pcnt, end_pcnt, start, end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) typedef int (*time_pecent_split)(char *, struct perf_time_interval *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) u64 start, u64 end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) static int percent_comma_split(struct perf_time_interval *ptime_buf, int num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) const char *ostr, u64 start, u64 end,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) time_pecent_split func)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) char *str, *p1, *p2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) int len, ret, i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) str = strdup(ostr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) if (str == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) len = strlen(str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) p1 = str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) while (p1 < str + len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) if (i >= num) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) free(str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) p2 = strchr(p1, ',');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) if (p2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) *p2 = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) ret = (func)(p1, &ptime_buf[i], start, end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) free(str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) pr_debug("start time %d: %" PRIu64 ", ", i, ptime_buf[i].start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) pr_debug("end time %d: %" PRIu64 "\n", i, ptime_buf[i].end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) if (p2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) p1 = p2 + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) free(str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) static int one_percent_convert(struct perf_time_interval *ptime_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) const char *ostr, u64 start, u64 end, char *c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) char *str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) int len = strlen(ostr), ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) * c points to '%'.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) * '%' should be the last character
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (ostr + len - 1 != c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) * Construct a string like "xx%/1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) str = malloc(len + 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) if (str == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) memcpy(str, ostr, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) strcpy(str + len, "/1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) ret = percent_slash_split(str, ptime_buf, start, end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) if (ret == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) ret = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) free(str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) int perf_time__percent_parse_str(struct perf_time_interval *ptime_buf, int num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) const char *ostr, u64 start, u64 end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) char *c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) * ostr example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) * 10%/2,10%/3: select the second 10% slice and the third 10% slice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) * 0%-10%,30%-40%: multiple time range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) * 50%: just one percent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) memset(ptime_buf, 0, sizeof(*ptime_buf) * num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) c = strchr(ostr, '/');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) if (c) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) return percent_comma_split(ptime_buf, num, ostr, start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) end, percent_slash_split);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) c = strchr(ostr, '-');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) if (c) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) return percent_comma_split(ptime_buf, num, ostr, start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) end, percent_dash_split);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) c = strchr(ostr, '%');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) if (c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) return one_percent_convert(ptime_buf, ostr, start, end, c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) struct perf_time_interval *perf_time__range_alloc(const char *ostr, int *size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) const char *p1, *p2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) int i = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) struct perf_time_interval *ptime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) * At least allocate one time range.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) if (!ostr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) goto alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) p1 = ostr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) while (p1 < ostr + strlen(ostr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) p2 = strchr(p1, ',');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (!p2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) p1 = p2 + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) alloc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) *size = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) ptime = calloc(i, sizeof(*ptime));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) return ptime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) bool perf_time__skip_sample(struct perf_time_interval *ptime, u64 timestamp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) /* if time is not set don't drop sample */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) if (timestamp == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) /* otherwise compare sample time to time window */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) if ((ptime->start && timestamp < ptime->start) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) (ptime->end && timestamp > ptime->end)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) bool perf_time__ranges_skip_sample(struct perf_time_interval *ptime_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) int num, u64 timestamp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) struct perf_time_interval *ptime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) if ((!ptime_buf) || (timestamp == 0) || (num == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) if (num == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) return perf_time__skip_sample(&ptime_buf[0], timestamp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) * start/end of multiple time ranges must be valid.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) for (i = 0; i < num; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) ptime = &ptime_buf[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) if (timestamp >= ptime->start &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) (timestamp <= ptime->end || !ptime->end)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) int perf_time__parse_for_ranges_reltime(const char *time_str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) struct perf_session *session,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) struct perf_time_interval **ranges,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) int *range_size, int *range_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) bool reltime)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) bool has_percent = strchr(time_str, '%');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) struct perf_time_interval *ptime_range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) int size, num, ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) ptime_range = perf_time__range_alloc(time_str, &size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) if (!ptime_range)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) if (has_percent || reltime) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (session->evlist->first_sample_time == 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) session->evlist->last_sample_time == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) pr_err("HINT: no first/last sample time found in perf data.\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) "Please use latest perf binary to execute 'perf record'\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) if (has_percent) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) num = perf_time__percent_parse_str(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) ptime_range, size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) time_str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) session->evlist->first_sample_time,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) session->evlist->last_sample_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) num = perf_time__parse_strs(ptime_range, time_str, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) if (num < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) goto error_invalid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) if (reltime) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) for (i = 0; i < num; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) ptime_range[i].start += session->evlist->first_sample_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) ptime_range[i].end += session->evlist->first_sample_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) *range_size = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) *range_num = num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) *ranges = ptime_range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) error_invalid:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) pr_err("Invalid time string\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) free(ptime_range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) int perf_time__parse_for_ranges(const char *time_str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) struct perf_session *session,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) struct perf_time_interval **ranges,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) int *range_size, int *range_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) return perf_time__parse_for_ranges_reltime(time_str, session, ranges,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) range_size, range_num, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) u64 sec = timestamp / NSEC_PER_SEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) u64 usec = (timestamp % NSEC_PER_SEC) / NSEC_PER_USEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) return scnprintf(buf, sz, "%"PRIu64".%06"PRIu64, sec, usec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) int timestamp__scnprintf_nsec(u64 timestamp, char *buf, size_t sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) u64 sec = timestamp / NSEC_PER_SEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) nsec = timestamp % NSEC_PER_SEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) return scnprintf(buf, sz, "%" PRIu64 ".%09" PRIu64, sec, nsec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) int fetch_current_timestamp(char *buf, size_t sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) struct timeval tv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) struct tm tm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) char dt[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) if (gettimeofday(&tv, NULL) || !localtime_r(&tv.tv_sec, &tm))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) if (!strftime(dt, sizeof(dt), "%Y%m%d%H%M%S", &tm))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) scnprintf(buf, sz, "%s%02u", dt, (unsigned)tv.tv_usec / 10000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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