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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 19:33:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 19:33:32 +0000
commit8bb05ac73a5b448b339ce0bc8d396c82c459b47f (patch)
tree1fdda006866bca20d41cb206767ea5241e36852f /misc-utils/lsclocks.c
parentAdding debian version 2.39.3-11. (diff)
downloadutil-linux-8bb05ac73a5b448b339ce0bc8d396c82c459b47f.tar.xz
util-linux-8bb05ac73a5b448b339ce0bc8d396c82c459b47f.zip
Merging upstream version 2.40.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--misc-utils/lsclocks.c697
1 files changed, 697 insertions, 0 deletions
diff --git a/misc-utils/lsclocks.c b/misc-utils/lsclocks.c
new file mode 100644
index 0000000..867f860
--- /dev/null
+++ b/misc-utils/lsclocks.c
@@ -0,0 +1,697 @@
+/*
+ * lsclocks(1) - display system clocks
+ *
+ * Copyright (C) 2023 Thomas Weißschuh <thomas@t-8ch.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <time.h>
+#include <inttypes.h>
+#include <getopt.h>
+#include <glob.h>
+#include <sys/ioctl.h>
+
+#include <libsmartcols.h>
+
+#include <linux/rtc.h>
+
+#include "c.h"
+#include "nls.h"
+#include "strutils.h"
+#include "timeutils.h"
+#include "closestream.h"
+#include "xalloc.h"
+#include "pathnames.h"
+#include "all-io.h"
+#include "list.h"
+
+#ifndef CLOCK_REALTIME
+#define CLOCK_REALTIME 0
+#endif
+
+#ifndef CLOCK_MONOTONIC
+#define CLOCK_MONOTONIC 1
+#endif
+
+#ifndef CLOCK_MONOTONIC_RAW
+#define CLOCK_MONOTONIC_RAW 4
+#endif
+
+#ifndef CLOCK_REALTIME_COARSE
+#define CLOCK_REALTIME_COARSE 5
+#endif
+
+#ifndef CLOCK_MONOTONIC_COARSE
+#define CLOCK_MONOTONIC_COARSE 6
+#endif
+
+#ifndef CLOCK_BOOTTIME
+#define CLOCK_BOOTTIME 7
+#endif
+
+#ifndef CLOCK_REALTIME_ALARM
+#define CLOCK_REALTIME_ALARM 8
+#endif
+
+#ifndef CLOCK_BOOTTIME_ALARM
+#define CLOCK_BOOTTIME_ALARM 9
+#endif
+
+#ifndef CLOCK_TAI
+#define CLOCK_TAI 11
+#endif
+
+enum CLOCK_TYPE {
+ CT_SYS,
+ CT_PTP,
+ CT_CPU,
+ CT_RTC,
+};
+
+static const char *clock_type_name(enum CLOCK_TYPE type)
+{
+ switch (type) {
+ case CT_SYS:
+ return "sys";
+ case CT_PTP:
+ return "ptp";
+ case CT_CPU:
+ return "cpu";
+ case CT_RTC:
+ return "rtc";
+ }
+ errx(EXIT_FAILURE, _("Unknown clock type %d"), type);
+}
+
+struct clockinfo {
+ enum CLOCK_TYPE type;
+ clockid_t id;
+ const char * const id_name;
+ const char * const name;
+ const char * const ns_offset_name;
+ bool no_id;
+};
+
+static const struct clockinfo clocks[] = {
+ { CT_SYS, CLOCK_REALTIME, "CLOCK_REALTIME", "realtime" },
+ { CT_SYS, CLOCK_MONOTONIC, "CLOCK_MONOTONIC", "monotonic",
+ .ns_offset_name = "monotonic" },
+ { CT_SYS, CLOCK_MONOTONIC_RAW, "CLOCK_MONOTONIC_RAW", "monotonic-raw" },
+ { CT_SYS, CLOCK_REALTIME_COARSE, "CLOCK_REALTIME_COARSE", "realtime-coarse" },
+ { CT_SYS, CLOCK_MONOTONIC_COARSE, "CLOCK_MONOTONIC_COARSE", "monotonic-coarse" },
+ { CT_SYS, CLOCK_BOOTTIME, "CLOCK_BOOTTIME", "boottime",
+ .ns_offset_name = "boottime" },
+ { CT_SYS, CLOCK_REALTIME_ALARM, "CLOCK_REALTIME_ALARM", "realtime-alarm" },
+ { CT_SYS, CLOCK_BOOTTIME_ALARM, "CLOCK_BOOTTIME_ALARM", "boottime-alarm" },
+ { CT_SYS, CLOCK_TAI, "CLOCK_TAI", "tai" },
+};
+
+/* column IDs */
+enum {
+ COL_TYPE,
+ COL_ID,
+ COL_CLOCK,
+ COL_NAME,
+ COL_TIME,
+ COL_ISO_TIME,
+ COL_RESOL,
+ COL_RESOL_RAW,
+ COL_REL_TIME,
+ COL_NS_OFFSET,
+};
+
+/* column names */
+struct colinfo {
+ const char * const name; /* header */
+ double whint; /* width hint (N < 1 is in percent of termwidth) */
+ int flags; /* SCOLS_FL_* */
+ int json_type; /* SCOLS_JSON_* */
+ const char * const help;
+};
+
+/* columns descriptions */
+static const struct colinfo infos[] = {
+ [COL_TYPE] = { "TYPE", 1, 0, SCOLS_JSON_STRING, N_("type") },
+ [COL_ID] = { "ID", 1, SCOLS_FL_RIGHT, SCOLS_JSON_NUMBER, N_("numeric id") },
+ [COL_CLOCK] = { "CLOCK", 1, 0, SCOLS_JSON_STRING, N_("symbolic name") },
+ [COL_NAME] = { "NAME", 1, 0, SCOLS_JSON_STRING, N_("readable name") },
+ [COL_TIME] = { "TIME", 1, SCOLS_FL_RIGHT, SCOLS_JSON_NUMBER, N_("numeric time") },
+ [COL_ISO_TIME] = { "ISO_TIME", 1, SCOLS_FL_RIGHT, SCOLS_JSON_STRING, N_("human readable ISO time") },
+ [COL_RESOL] = { "RESOL", 1, SCOLS_FL_RIGHT, SCOLS_JSON_STRING, N_("human readable resolution") },
+ [COL_RESOL_RAW] = { "RESOL_RAW", 1, SCOLS_FL_RIGHT, SCOLS_JSON_NUMBER, N_("resolution") },
+ [COL_REL_TIME] = { "REL_TIME", 1, SCOLS_FL_RIGHT, SCOLS_JSON_STRING, N_("human readable relative time") },
+ [COL_NS_OFFSET] = { "NS_OFFSET", 1, SCOLS_FL_RIGHT, SCOLS_JSON_NUMBER, N_("namespace offset") },
+};
+
+static int column_name_to_id(const char *name, size_t namesz)
+{
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(infos); i++) {
+ const char *cn = infos[i].name;
+
+ if (!strncasecmp(name, cn, namesz) && !*(cn + namesz))
+ return i;
+ }
+ warnx(_("unknown column: %s"), name);
+
+ return -1;
+}
+
+static void __attribute__((__noreturn__)) usage(void)
+{
+ FILE *out = stdout;
+ size_t i;
+
+ fputs(USAGE_HEADER, out);
+ fprintf(out, _(" %s [options]\n"), program_invocation_short_name);
+
+ fputs(USAGE_OPTIONS, out);
+ fputs(_(" -J, --json use JSON output format\n"), out);
+ fputs(_(" -n, --noheadings don't print headings\n"), out);
+ fputs(_(" -o, --output <list> output columns\n"), out);
+ fputs(_(" --output-all output all columns\n"), out);
+ fputs(_(" -r, --raw use raw output format\n"), out);
+ fputs(_(" -t, --time <clock> show current time of single clock\n"), out);
+ fputs(_(" --no-discover-dynamic do not try to discover dynamic clocks\n"), out);
+ fputs(_(" -d, --dynamic-clock <path> also display specified dynamic clock\n"), out);
+ fputs(_(" -c, --cpu-clock <pid> also display CPU clock of specified process\n"), out);
+
+ fputs(USAGE_SEPARATOR, out);
+ fprintf(out, USAGE_HELP_OPTIONS(29));
+
+ fputs(USAGE_COLUMNS, out);
+
+ for (i = 0; i < ARRAY_SIZE(infos); i++)
+ fprintf(out, " %16s %-10s%s\n", infos[i].name,
+ infos[i].json_type == SCOLS_JSON_STRING? "<string>":
+ infos[i].json_type == SCOLS_JSON_ARRAY_STRING? "<string>":
+ infos[i].json_type == SCOLS_JSON_ARRAY_NUMBER? "<string>":
+ infos[i].json_type == SCOLS_JSON_NUMBER? "<number>":
+ "<boolean>",
+ _(infos[i].help));
+
+ fprintf(out, USAGE_MAN_TAIL("lsclocks(1)"));
+
+ exit(EXIT_SUCCESS);
+}
+
+__attribute__ ((__format__ (__printf__, 3, 4)))
+static void scols_line_asprintf(struct libscols_line *ln, size_t n, const char *format, ...)
+{
+ char *data;
+ va_list args;
+
+ va_start(args, format);
+ xvasprintf(&data, format, args);
+ va_end(args);
+
+ scols_line_refer_data(ln, n, data);
+}
+
+static void scols_line_format_timespec(struct libscols_line *ln, size_t n, const struct timespec *ts)
+{
+ scols_line_asprintf(ln, n, "%ju.%09" PRId32, (uintmax_t) ts->tv_sec, (uint32_t) ts->tv_nsec);
+}
+
+static clockid_t parse_clock(const char *name)
+{
+ size_t i;
+ uint32_t id = -1;
+ int rc;
+
+ rc = ul_strtou32(name, &id, 10);
+
+ for (i = 0; i < ARRAY_SIZE(clocks); i++) {
+ if (!strcmp(name, clocks[i].id_name)
+ || !strcmp(name, clocks[i].name))
+ return clocks[i].id;
+ if (rc == 0 && (clockid_t) id == clocks[i].id)
+ return id;
+ }
+
+ errx(EXIT_FAILURE, _("Unknown clock: %s"), name);
+}
+
+static int64_t get_namespace_offset(const char *name)
+{
+ char *tokstr, *buf, *saveptr, *line, *space;
+ uint64_t ret;
+ int fd;
+
+ fd = open(_PATH_PROC_TIMENS_OFF, O_RDONLY);
+ if (fd == -1)
+ err(EXIT_FAILURE, _("Could not open %s"), _PATH_PROC_TIMENS_OFF);
+
+ read_all_alloc(fd, &buf);
+
+ for (tokstr = buf; ; tokstr = NULL) {
+ line = strtok_r(tokstr, "\n", &saveptr);
+ if (!line)
+ continue;
+ line = (char *) startswith(line, name);
+ if (!line || line[0] != ' ')
+ continue;
+
+ line = (char *) skip_blank(line);
+ space = strchr(line, ' ');
+ if (space)
+ *space = '\0';
+ ret = strtos64_or_err(line, _("Invalid offset"));
+ break;
+ }
+
+ free(buf);
+ return ret;
+}
+
+static void add_clock_line(struct libscols_table *tb, const int *columns,
+ size_t ncolumns, const struct clockinfo *clockinfo,
+ const struct timespec *now, const struct timespec *resolution)
+{
+ char buf[FORMAT_TIMESTAMP_MAX];
+ struct libscols_line *ln;
+ size_t i;
+ int rc;
+
+ ln = scols_table_new_line(tb, NULL);
+ if (!ln)
+ errx(EXIT_FAILURE, _("failed to allocate output line"));
+
+ for (i = 0; i < ncolumns; i++) {
+ switch (columns[i]) {
+ case COL_TYPE:
+ scols_line_set_data(ln, i, clock_type_name(clockinfo->type));
+ break;
+ case COL_ID:
+ if (!clockinfo->no_id)
+ scols_line_asprintf(ln, i, "%ju", (uintmax_t) clockinfo->id);
+ break;
+ case COL_CLOCK:
+ scols_line_set_data(ln, i, clockinfo->id_name);
+ break;
+ case COL_NAME:
+ scols_line_set_data(ln, i, clockinfo->name);
+ break;
+ case COL_TIME:
+ if (now->tv_nsec == -1)
+ break;
+
+ scols_line_format_timespec(ln, i, now);
+ break;
+ case COL_ISO_TIME:
+ if (now->tv_nsec == -1)
+ break;
+
+ rc = strtimespec_iso(now,
+ ISO_GMTIME | ISO_DATE | ISO_TIME | ISO_T | ISO_DOTNSEC | ISO_TIMEZONE,
+ buf, sizeof(buf));
+ if (rc)
+ errx(EXIT_FAILURE, _("failed to format iso time"));
+ scols_line_set_data(ln, i, buf);
+ break;
+ case COL_RESOL:
+ if (resolution->tv_nsec == -1)
+ break;
+
+ rc = strtimespec_relative(resolution, buf, sizeof(buf));
+ if (rc)
+ errx(EXIT_FAILURE, _("failed to format relative time"));
+ scols_line_set_data(ln, i, buf);
+ break;
+ case COL_RESOL_RAW:
+ if (resolution->tv_nsec == -1)
+ break;
+ scols_line_format_timespec(ln, i, resolution);
+ break;
+ case COL_REL_TIME:
+ if (now->tv_nsec == -1)
+ break;
+ rc = strtimespec_relative(now, buf, sizeof(buf));
+ if (rc)
+ errx(EXIT_FAILURE, _("failed to format relative time"));
+ scols_line_set_data(ln, i, buf);
+ break;
+ case COL_NS_OFFSET:
+ if (clockinfo->ns_offset_name)
+ scols_line_asprintf(ln, i, "%"PRId64,
+ get_namespace_offset(clockinfo->ns_offset_name));
+ break;
+ }
+ }
+}
+
+static void add_posix_clock_line(struct libscols_table *tb, const int *columns,
+ size_t ncolumns, const struct clockinfo *clockinfo)
+{
+ struct timespec resolution, now;
+ int rc;
+
+ rc = clock_gettime(clockinfo->id, &now);
+ if (rc)
+ now.tv_nsec = -1;
+
+ rc = clock_getres(clockinfo->id, &resolution);
+ if (rc)
+ resolution.tv_nsec = -1;
+
+ add_clock_line(tb, columns, ncolumns, clockinfo, &now, &resolution);
+}
+
+struct path_clock {
+ struct list_head head;
+ const char * path;
+};
+
+static void add_dynamic_clock_from_path(struct libscols_table *tb,
+ const int *columns, size_t ncolumns,
+ const char *path, bool explicit)
+{
+ int fd = open(path, O_RDONLY);
+ if (fd == -1) {
+ if (explicit)
+ err(EXIT_FAILURE, _("Could not open %s"), path);
+ else
+ return;
+ }
+
+ struct clockinfo clockinfo = {
+ .type = CT_PTP,
+ .no_id = true,
+ .id_name = path,
+ .name = path,
+ };
+ add_posix_clock_line(tb, columns, ncolumns, &clockinfo);
+ close(fd);
+}
+
+static void add_dynamic_clocks_from_discovery(struct libscols_table *tb,
+ const int *columns, size_t ncolumns)
+{
+ int rc;
+ size_t i;
+ glob_t state;
+
+ rc = glob("/dev/ptp*", 0, NULL, &state);
+ if (rc == GLOB_NOMATCH)
+ return;
+ else if (rc)
+ errx(EXIT_FAILURE, _("Could not glob: %d"), rc);
+
+ for (i = 0; i < state.gl_pathc; i++)
+ add_dynamic_clock_from_path(tb, columns, ncolumns,
+ state.gl_pathv[i], false);
+
+ globfree(&state);
+}
+
+static void add_rtc_clock_from_path(struct libscols_table *tb,
+ const int *columns, size_t ncolumns,
+ const char *path, bool explicit)
+{
+ int fd, rc;
+ struct rtc_time rtc_time;
+ struct tm tm = { 0 };
+ struct timespec now = { 0 }, resolution = { .tv_nsec = -1 };
+
+ fd = open(path, O_RDONLY);
+ if (fd == -1) {
+ if (explicit)
+ err(EXIT_FAILURE, _("Could not open %s"), path);
+ else
+ return;
+ }
+
+ rc = ioctl(fd, RTC_RD_TIME, &rtc_time);
+ if (rc)
+ err(EXIT_FAILURE,
+ _("ioctl(RTC_RD_NAME) to %s to read the time failed"), path);
+
+ tm.tm_sec = rtc_time.tm_sec;
+ tm.tm_min = rtc_time.tm_min;
+ tm.tm_hour = rtc_time.tm_hour;
+ tm.tm_mday = rtc_time.tm_mday;
+ tm.tm_mon = rtc_time.tm_mon;
+ tm.tm_year = rtc_time.tm_year;
+ tm.tm_wday = rtc_time.tm_wday;
+ tm.tm_yday = rtc_time.tm_yday;
+
+ now.tv_sec = mktime(&tm);
+
+ struct clockinfo clockinfo = {
+ .type = CT_RTC,
+ .no_id = true,
+ .id_name = path,
+ .name = path,
+ };
+ add_clock_line(tb, columns, ncolumns, &clockinfo, &now, &resolution);
+
+ close(fd);
+}
+
+static void add_rtc_clocks_from_discovery(struct libscols_table *tb,
+ const int *columns, size_t ncolumns)
+{
+ int rc;
+ size_t i;
+ glob_t state;
+
+ rc = glob("/dev/rtc*", 0, NULL, &state);
+ if (rc == GLOB_NOMATCH)
+ return;
+ if (rc)
+ errx(EXIT_FAILURE, _("Could not glob: %d"), rc);
+
+ for (i = 0; i < state.gl_pathc; i++)
+ add_rtc_clock_from_path(tb, columns, ncolumns,
+ state.gl_pathv[i], false);
+
+ globfree(&state);
+}
+
+struct cpu_clock {
+ struct list_head head;
+ pid_t pid;
+ char name[sizeof(stringify_value(SINT_MAX(pid_t)))];
+};
+
+static void add_cpu_clock(struct libscols_table *tb,
+ const int *columns, size_t ncolumns,
+ pid_t pid, const char *name)
+{
+ int rc;
+ clockid_t clockid;
+
+ rc = clock_getcpuclockid(pid, &clockid);
+ if (rc)
+ errx(EXIT_FAILURE, _("Could not get CPU clock of process %jd: %s"),
+ (intmax_t) pid, strerror(rc));
+
+ struct clockinfo clockinfo = {
+ .type = CT_CPU,
+ .id = clockid,
+ .name = name,
+ .no_id = true,
+ };
+ add_posix_clock_line(tb, columns, ncolumns, &clockinfo);
+}
+
+
+int main(int argc, char **argv)
+{
+ size_t i;
+ int c, rc;
+ const struct colinfo *colinfo;
+
+ struct libscols_table *tb;
+ struct libscols_column *col;
+
+ bool noheadings = false, raw = false, json = false,
+ disc_dynamic = true, disc_rtc = true;
+ const char *outarg = NULL;
+ int columns[ARRAY_SIZE(infos) * 2];
+ size_t ncolumns = 0;
+ clockid_t clock = -1;
+ struct path_clock *path_clock;
+ struct cpu_clock *cpu_clock;
+ struct list_head *current_path_clock, *current_cpu_clock;
+ struct list_head dynamic_clocks, cpu_clocks, rtc_clocks;
+
+ struct timespec now;
+
+ enum {
+ OPT_OUTPUT_ALL = CHAR_MAX + 1,
+ OPT_NO_DISC_DYN,
+ OPT_NO_DISC_RTC,
+ };
+ static const struct option longopts[] = {
+ { "noheadings", no_argument, NULL, 'n' },
+ { "output", required_argument, NULL, 'o' },
+ { "output-all", no_argument, NULL, OPT_OUTPUT_ALL },
+ { "version", no_argument, NULL, 'V' },
+ { "help", no_argument, NULL, 'h' },
+ { "json", no_argument, NULL, 'J' },
+ { "raw", no_argument, NULL, 'r' },
+ { "time", required_argument, NULL, 't' },
+ { "no-discover-dynamic", no_argument, NULL, OPT_NO_DISC_DYN },
+ { "dynamic-clock", required_argument, NULL, 'd' },
+ { "cpu-clock", required_argument, NULL, 'c' },
+ { "no-discover-rtc", no_argument, NULL, OPT_NO_DISC_RTC },
+ { "rtc", required_argument, NULL, 'x' },
+ { 0 }
+ };
+
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+ close_stdout_atexit();
+
+ INIT_LIST_HEAD(&dynamic_clocks);
+ INIT_LIST_HEAD(&cpu_clocks);
+ INIT_LIST_HEAD(&rtc_clocks);
+
+ while ((c = getopt_long(argc, argv, "no:Jrt:d:c:x:Vh", longopts, NULL)) != -1) {
+ switch (c) {
+ case 'n':
+ noheadings = true;
+ break;
+ case 'o':
+ outarg = optarg;
+ break;
+ case OPT_OUTPUT_ALL:
+ for (ncolumns = 0; ncolumns < ARRAY_SIZE(infos); ncolumns++)
+ columns[ncolumns] = ncolumns;
+ break;
+ case 'J':
+ json = true;
+ break;
+ case 'r':
+ raw = true;
+ break;
+ case 't':
+ clock = parse_clock(optarg);
+ break;
+ case 'd':
+ path_clock = xmalloc(sizeof(*path_clock));
+ path_clock->path = optarg;
+ list_add(&path_clock->head, &dynamic_clocks);
+ break;
+ case OPT_NO_DISC_DYN:
+ disc_dynamic = false;
+ break;
+ case 'c':
+ cpu_clock = xmalloc(sizeof(*cpu_clock));
+ cpu_clock->pid = strtopid_or_err(optarg, _("failed to parse pid"));
+ snprintf(cpu_clock->name, sizeof(cpu_clock->name),
+ "%jd", (intmax_t) cpu_clock->pid);
+ list_add(&cpu_clock->head, &cpu_clocks);
+ break;
+ case 'x':
+ path_clock = xmalloc(sizeof(*path_clock));
+ path_clock->path = optarg;
+ list_add(&path_clock->head, &rtc_clocks);
+ break;
+ case OPT_NO_DISC_RTC:
+ disc_rtc = false;
+ break;
+ case 'V':
+ print_version(EXIT_SUCCESS);
+ case 'h':
+ usage();
+ default:
+ errtryhelp(EXIT_FAILURE);
+ }
+ }
+
+ if (argv[optind])
+ errtryhelp(EXIT_FAILURE);
+
+ if (clock != -1) {
+ rc = clock_gettime(clock, &now);
+ if (rc)
+ err(EXIT_FAILURE, _("failed to get time"));
+ printf("%ju.%09"PRId32"\n", (uintmax_t) now.tv_sec, (uint32_t) now.tv_nsec);
+ return EXIT_SUCCESS;
+ }
+
+ if (!ncolumns) {
+ columns[ncolumns++] = COL_ID;
+ columns[ncolumns++] = COL_NAME;
+ columns[ncolumns++] = COL_TYPE;
+ columns[ncolumns++] = COL_TIME;
+ columns[ncolumns++] = COL_RESOL;
+ columns[ncolumns++] = COL_ISO_TIME;
+ }
+
+ if (outarg && string_add_to_idarray(outarg, columns, ARRAY_SIZE(columns),
+ &ncolumns, column_name_to_id) < 0)
+ return EXIT_FAILURE;
+
+ scols_init_debug(0);
+
+ tb = scols_new_table();
+ if (!tb)
+ errx(EXIT_FAILURE, _("failed to allocate output table"));
+ scols_table_set_name(tb, "clocks");
+
+ for (i = 0; i < ncolumns; i++) {
+ colinfo = &infos[columns[i]];
+
+ col = scols_table_new_column(tb, colinfo->name, colinfo->whint, colinfo->flags);
+ if (!col)
+ errx(EXIT_FAILURE, _("failed to allocate output column"));
+
+ scols_column_set_json_type(col, colinfo->json_type);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(clocks); i++)
+ add_posix_clock_line(tb, columns, ncolumns, &clocks[i]);
+
+ if (disc_dynamic)
+ add_dynamic_clocks_from_discovery(tb, columns, ncolumns);
+
+ list_for_each(current_path_clock, &dynamic_clocks) {
+ path_clock = list_entry(current_path_clock, struct path_clock, head);
+ add_dynamic_clock_from_path(tb, columns, ncolumns, path_clock->path, true);
+ }
+
+ list_free(&dynamic_clocks, struct path_clock, head, free);
+
+ if (disc_rtc)
+ add_rtc_clocks_from_discovery(tb, columns, ncolumns);
+
+ list_for_each(current_path_clock, &rtc_clocks) {
+ path_clock = list_entry(current_path_clock, struct path_clock, head);
+ add_rtc_clock_from_path(tb, columns, ncolumns, path_clock->path, true);
+ }
+
+ list_free(&rtc_clocks, struct path_clock, head, free);
+
+ list_for_each(current_cpu_clock, &cpu_clocks) {
+ cpu_clock = list_entry(current_cpu_clock, struct cpu_clock, head);
+ add_cpu_clock(tb, columns, ncolumns, cpu_clock->pid, cpu_clock->name);
+ }
+
+ list_free(&cpu_clocks, struct cpu_clock, head, free);
+
+ scols_table_enable_json(tb, json);
+ scols_table_enable_raw(tb, raw);
+ scols_table_enable_noheadings(tb, noheadings);
+ scols_print_table(tb);
+ scols_unref_table(tb);
+}