#include "logs-show.h"
#include "util.h"
#include "path-util.h"
+#include "fileio.h"
#include "build.h"
#include "pager.h"
#include "logs-show.h"
static OutputMode arg_output = OUTPUT_SHORT;
static bool arg_pager_end = false;
static bool arg_follow = false;
-static bool arg_full = false;
+static bool arg_full = true;
static bool arg_all = false;
static bool arg_no_pager = false;
static int arg_lines = -1;
ACTION_DISK_USAGE,
ACTION_LIST_CATALOG,
ACTION_DUMP_CATALOG,
- ACTION_UPDATE_CATALOG
+ ACTION_UPDATE_CATALOG,
+ ACTION_LIST_BOOTS,
} arg_action = ACTION_SHOW;
typedef struct boot_id_t {
sd_id128_t id;
- uint64_t timestamp;
+ uint64_t first;
+ uint64_t last;
} boot_id_t;
static int help(void) {
" --after-cursor=CURSOR Start showing entries from specified cursor\n"
" --show-cursor Print the cursor after all the entries\n"
" -b --boot[=ID] Show data only from ID or current boot if unspecified\n"
+ " --list-boots Show terse information about recorded boots\n"
" -k --dmesg Show kernel message log from current boot\n"
" -u --unit=UNIT Show data only from the specified unit\n"
" --user-unit=UNIT Show data only from the specified user session unit\n"
" -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-monotonic, short-iso\n"
- " verbose, export, json, json-pretty, json-sse, cat)\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"
" -x --catalog Add message explanations where available\n"
- " -l --full Do not ellipsize fields\n"
+ " --no-full Ellipsize fields\n"
" -a --all Show all fields, including long and unprintable\n"
" -q --quiet Don't show privilege warning\n"
" --no-pager Do not pipe output into a pager\n"
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
+ ARG_NO_FULL,
ARG_NO_TAIL,
ARG_NEW_ID128,
+ ARG_LIST_BOOTS,
ARG_USER,
ARG_SYSTEM,
ARG_ROOT,
{ "output", required_argument, NULL, 'o' },
{ "all", no_argument, NULL, 'a' },
{ "full", no_argument, NULL, 'l' },
+ { "no-full", no_argument, NULL, ARG_NO_FULL },
{ "lines", optional_argument, NULL, 'n' },
{ "no-tail", no_argument, NULL, ARG_NO_TAIL },
{ "new-id128", no_argument, NULL, ARG_NEW_ID128 },
{ "quiet", no_argument, NULL, 'q' },
{ "merge", no_argument, NULL, 'm' },
{ "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 },
arg_full = true;
break;
+ case ARG_NO_FULL:
+ arg_full = false;
+ break;
+
case 'a':
arg_all = true;
break;
break;
+ case ARG_LIST_BOOTS:
+ arg_action = ACTION_LIST_BOOTS;
+ break;
+
case 'k':
arg_boot = arg_dmesg = true;
break;
if (streq(*i, "+"))
r = sd_journal_add_disjunction(j);
else if (path_is_absolute(*i)) {
- _cleanup_free_ char *p, *t = NULL;
+ _cleanup_free_ char *p, *t = NULL, *t2 = NULL;
const char *path;
+ _cleanup_free_ char *interpreter = NULL;
struct stat st;
p = canonicalize_file_name(*i);
return -errno;
}
- if (S_ISREG(st.st_mode) && (0111 & st.st_mode))
- t = strappend("_EXE=", path);
- else if (S_ISCHR(st.st_mode))
+ if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) {
+ if (executable_is_script(path, &interpreter) > 0) {
+ _cleanup_free_ char *comm;
+
+ comm = strndup(path_get_file_name(path), 15);
+ if (!comm)
+ return log_oom();
+
+ t = strappend("_COMM=", comm);
+
+ /* Append _EXE only if the interpreter is not a link.
+ Otherwise it might be outdated often. */
+ if (lstat(interpreter, &st) == 0 &&
+ !S_ISLNK(st.st_mode)) {
+ t2 = strappend("_EXE=", interpreter);
+ if (!t2)
+ return log_oom();
+ }
+ } else
+ t = strappend("_EXE=", path);
+ } else if (S_ISCHR(st.st_mode))
asprintf(&t, "_KERNEL_DEVICE=c%u:%u", major(st.st_rdev), minor(st.st_rdev));
else if (S_ISBLK(st.st_mode))
asprintf(&t, "_KERNEL_DEVICE=b%u:%u", major(st.st_rdev), minor(st.st_rdev));
return log_oom();
r = sd_journal_add_match(j, t, 0);
+ if (t2)
+ r = sd_journal_add_match(j, t2, 0);
} else
r = sd_journal_add_match(j, *i, 0);
static int boot_id_cmp(const void *a, const void *b) {
uint64_t _a, _b;
- _a = ((const boot_id_t *)a)->timestamp;
- _b = ((const boot_id_t *)b)->timestamp;
+ _a = ((const boot_id_t *)a)->first;
+ _b = ((const boot_id_t *)b)->first;
return _a < _b ? -1 : (_a > _b ? 1 : 0);
}
+static int list_boots(sd_journal *j) {
+ int r;
+ const void *data;
+ unsigned int count = 0;
+ int w, i;
+ size_t length, allocated = 0;
+ boot_id_t *id;
+ _cleanup_free_ boot_id_t *all_ids = NULL;
+
+ r = sd_journal_query_unique(j, "_BOOT_ID");
+ if (r < 0)
+ return r;
+
+ SD_JOURNAL_FOREACH_UNIQUE(j, data, length) {
+ if (length < strlen("_BOOT_ID="))
+ continue;
+
+ if (!GREEDY_REALLOC(all_ids, allocated, count + 1))
+ return log_oom();
+
+ id = &all_ids[count];
+
+ r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id);
+ if (r < 0)
+ continue;
+
+ r = sd_journal_add_match(j, data, length);
+ if (r < 0)
+ return r;
+
+ r = sd_journal_seek_head(j);
+ if (r < 0)
+ return r;
+
+ r = sd_journal_next(j);
+ if (r < 0)
+ return r;
+ else if (r == 0)
+ goto flush;
+
+ r = sd_journal_get_realtime_usec(j, &id->first);
+ if (r < 0)
+ return r;
+
+ r = sd_journal_seek_tail(j);
+ if (r < 0)
+ return r;
+
+ r = sd_journal_previous(j);
+ if (r < 0)
+ return r;
+ else if (r == 0)
+ goto flush;
+
+ r = sd_journal_get_realtime_usec(j, &id->last);
+ if (r < 0)
+ return r;
+
+ count++;
+ flush:
+ sd_journal_flush_matches(j);
+ }
+
+ qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp);
+
+ /* numbers are one less, but we need an extra char for the sign */
+ w = DECIMAL_STR_WIDTH(count - 1) + 1;
+
+ for (id = all_ids, i = 0; id < all_ids + count; id++, i++) {
+ char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX];
+
+ printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n",
+ w, i - count + 1,
+ SD_ID128_FORMAT_VAL(id->id),
+ format_timestamp(a, sizeof(a), id->first),
+ format_timestamp(b, sizeof(b), id->last));
+ }
+
+ return 0;
+}
+
static int get_relative_boot_id(sd_journal *j, sd_id128_t *boot_id, int relative) {
int r;
const void *data;
else if (r == 0)
goto flush;
- r = sd_journal_get_realtime_usec(j, &id->timestamp);
+ r = sd_journal_get_realtime_usec(j, &id->first);
if (r < 0)
return r;
sd_journal_flush_matches(j);
}
- qsort(all_ids, count, sizeof(boot_id_t), boot_id_cmp);
+ qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp);
if (sd_id128_equal(*boot_id, SD_ID128_NULL)) {
if (relative > (int) count || relative <= -(int)count)
int main(int argc, char *argv[]) {
int r;
- _cleanup_journal_close_ sd_journal*j = NULL;
+ _cleanup_journal_close_ sd_journal *j = NULL;
bool need_seek = false;
sd_id128_t previous_boot_id;
bool previous_boot_id_valid = false, first_line = true;
int n_shown = 0;
+ bool ellipsized = false;
setlocale(LC_ALL, "");
log_parse_environment();
return EXIT_SUCCESS;
}
+ if (arg_action == ACTION_LIST_BOOTS) {
+ r = list_boots(j);
+ goto finish;
+ }
+
/* add_boot() must be called first!
* It may need to seek the journal to find parent boot IDs. */
r = add_boot(j);
if (!arg_merge) {
sd_id128_t boot_id;
- const char *color_on = on_tty() ? ANSI_HIGHLIGHT_ON : "",
- *color_off = on_tty() ? ANSI_HIGHLIGHT_OFF : "";
r = sd_journal_get_monotonic_usec(j, NULL, &boot_id);
if (r >= 0) {
if (previous_boot_id_valid &&
!sd_id128_equal(boot_id, previous_boot_id))
- printf("%s-- Reboot --%s\n", color_on, color_off);
+ printf("%s-- Reboot --%s\n",
+ ansi_highlight(), ansi_highlight_off());
previous_boot_id = boot_id;
previous_boot_id_valid = true;
flags =
arg_all * OUTPUT_SHOW_ALL |
- (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
+ arg_full * OUTPUT_FULL_WIDTH |
on_tty() * OUTPUT_COLOR |
arg_catalog * OUTPUT_CATALOG;
- r = output_journal(stdout, j, arg_output, 0, flags);
+ r = output_journal(stdout, j, arg_output, 0, flags, &ellipsized);
need_seek = true;
if (r == -EADDRNOTAVAIL)
break;
~ianmdlvl / elogind.git / blobdiff