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-rw-r--r--src/journal/journalctl.c54
1 files changed, 32 insertions, 22 deletions
diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
index 8e4897831b..6f841efb69 100644
--- a/src/journal/journalctl.c
+++ b/src/journal/journalctl.c
@@ -297,9 +297,9 @@ static void help(void) {
" -n --lines[=INTEGER] Number of journal entries to show\n"
" --no-tail Show all lines, even in follow mode\n"
" -r --reverse Show the newest entries first\n"
- " -o --output=STRING Change journal output mode (short, short-iso,\n"
- " short-precise, short-monotonic, verbose,\n"
- " export, json, json-pretty, json-sse, cat)\n"
+ " -o --output=STRING Change journal output mode (short, short-precise,\n"
+ " short-iso, short-full, short-monotonic, short-unix,\n"
+ " verbose, export, json, json-pretty, json-sse, cat)\n"
" --utc Express time in Coordinated Universal Time (UTC)\n"
" -x --catalog Add message explanations where available\n"
" --no-full Ellipsize fields\n"
@@ -348,6 +348,7 @@ static int parse_argv(int argc, char *argv[]) {
ARG_NO_FULL,
ARG_NO_TAIL,
ARG_NEW_ID128,
+ ARG_THIS_BOOT,
ARG_LIST_BOOTS,
ARG_USER,
ARG_SYSTEM,
@@ -392,9 +393,9 @@ static int parse_argv(int argc, char *argv[]) {
{ "new-id128", no_argument, NULL, ARG_NEW_ID128 },
{ "quiet", no_argument, NULL, 'q' },
{ "merge", no_argument, NULL, 'm' },
+ { "this-boot", no_argument, NULL, ARG_THIS_BOOT }, /* deprecated */
{ "boot", optional_argument, NULL, 'b' },
{ "list-boots", no_argument, NULL, ARG_LIST_BOOTS },
- { "this-boot", optional_argument, NULL, 'b' }, /* deprecated */
{ "dmesg", no_argument, NULL, 'k' },
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "user", no_argument, NULL, ARG_USER },
@@ -544,6 +545,10 @@ static int parse_argv(int argc, char *argv[]) {
arg_merge = true;
break;
+ case ARG_THIS_BOOT:
+ arg_boot = true;
+ break;
+
case 'b':
arg_boot = true;
@@ -868,8 +873,8 @@ static int parse_argv(int argc, char *argv[]) {
return -EINVAL;
}
- if ((arg_boot || arg_action == ACTION_LIST_BOOTS) && (arg_file || arg_directory || arg_merge)) {
- log_error("Using --boot or --list-boots with --file, --directory or --merge is not supported.");
+ if ((arg_boot || arg_action == ACTION_LIST_BOOTS) && arg_merge) {
+ log_error("Using --boot or --list-boots with --merge is not supported.");
return -EINVAL;
}
@@ -1102,13 +1107,13 @@ static int discover_next_boot(sd_journal *j,
static int get_boots(
sd_journal *j,
BootId **boots,
- sd_id128_t *query_ref_boot,
- int ref_boot_offset) {
+ sd_id128_t *boot_id,
+ int offset) {
bool skip_once;
int r, count = 0;
BootId *head = NULL, *tail = NULL;
- const bool advance_older = query_ref_boot && ref_boot_offset <= 0;
+ const bool advance_older = boot_id && offset <= 0;
sd_id128_t previous_boot_id;
assert(j);
@@ -1116,19 +1121,19 @@ static int get_boots(
/* Adjust for the asymmetry that offset 0 is
* the last (and current) boot, while 1 is considered the
* (chronological) first boot in the journal. */
- skip_once = query_ref_boot && sd_id128_is_null(*query_ref_boot) && ref_boot_offset < 0;
+ skip_once = boot_id && sd_id128_is_null(*boot_id) && offset <= 0;
/* Advance to the earliest/latest occurrence of our reference
* boot ID (taking our lookup direction into account), so that
* discover_next_boot() can do its job.
* If no reference is given, the journal head/tail will do,
* they're "virtual" boots after all. */
- if (query_ref_boot && !sd_id128_is_null(*query_ref_boot)) {
+ if (boot_id && !sd_id128_is_null(*boot_id)) {
char match[9+32+1] = "_BOOT_ID=";
sd_journal_flush_matches(j);
- sd_id128_to_string(*query_ref_boot, match + 9);
+ sd_id128_to_string(*boot_id, match + 9);
r = sd_journal_add_match(j, match, sizeof(match) - 1);
if (r < 0)
return r;
@@ -1148,7 +1153,7 @@ static int get_boots(
return r;
else if (r == 0)
goto finish;
- else if (ref_boot_offset == 0) {
+ else if (offset == 0) {
count = 1;
goto finish;
}
@@ -1187,14 +1192,14 @@ static int get_boots(
previous_boot_id = current->id;
- if (query_ref_boot) {
+ if (boot_id) {
if (!skip_once)
- ref_boot_offset += advance_older ? 1 : -1;
+ offset += advance_older ? 1 : -1;
skip_once = false;
- if (ref_boot_offset == 0) {
+ if (offset == 0) {
count = 1;
- *query_ref_boot = current->id;
+ *boot_id = current->id;
break;
}
} else {
@@ -1250,7 +1255,7 @@ static int list_boots(sd_journal *j) {
static int add_boot(sd_journal *j) {
char match[9+32+1] = "_BOOT_ID=";
- sd_id128_t ref_boot_id;
+ sd_id128_t boot_id;
int r;
assert(j);
@@ -1258,11 +1263,16 @@ static int add_boot(sd_journal *j) {
if (!arg_boot)
return 0;
- if (arg_boot_offset == 0 && sd_id128_equal(arg_boot_id, SD_ID128_NULL))
+ /* Take a shortcut and use the current boot_id, which we can do very quickly.
+ * We can do this only when we logs are coming from the current machine,
+ * so take the slow path if log location is specified. */
+ if (arg_boot_offset == 0 && sd_id128_is_null(arg_boot_id) &&
+ !arg_directory && !arg_file)
+
return add_match_this_boot(j, arg_machine);
- ref_boot_id = arg_boot_id;
- r = get_boots(j, NULL, &ref_boot_id, arg_boot_offset);
+ boot_id = arg_boot_id;
+ r = get_boots(j, NULL, &boot_id, arg_boot_offset);
assert(r <= 1);
if (r <= 0) {
const char *reason = (r == 0) ? "No such boot ID in journal" : strerror(-r);
@@ -1277,7 +1287,7 @@ static int add_boot(sd_journal *j) {
return r == 0 ? -ENODATA : r;
}
- sd_id128_to_string(ref_boot_id, match + 9);
+ sd_id128_to_string(boot_id, match + 9);
r = sd_journal_add_match(j, match, sizeof(match) - 1);
if (r < 0)
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-08 04:24:13 +0000