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authorLennart Poettering <lennart@poettering.net>2012-07-11 01:36:55 +0200
committerLennart Poettering <lennart@poettering.net>2012-07-11 01:36:55 +0200
commit14a65d65a0c25ba4809b8d97f54ebf3e12eac84c (patch)
tree229e4739f87ef83f7f06a32ac16d26bf171c0213 /src/journal
parenta963990ff4ebc7908d3cf82bbd8cf34a42d57b7f (diff)
journalctl: add a marker to log output for reboots
With this we'll print a marker "----- Reboot -----" between two subsequent lines with different boot IDs.
Diffstat (limited to 'src/journal')
-rw-r--r--src/journal/journalctl.c14
-rw-r--r--src/journal/sd-journal.c6
2 files changed, 17 insertions, 3 deletions
diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
index 4c975d3e7c..43cd2a3fef 100644
--- a/src/journal/journalctl.c
+++ b/src/journal/journalctl.c
@@ -299,6 +299,8 @@ int main(int argc, char *argv[]) {
sd_journal *j = NULL;
unsigned line = 0;
bool need_seek = false;
+ sd_id128_t previous_boot_id;
+ bool previous_boot_id_valid = false;
log_parse_environment();
log_open();
@@ -390,6 +392,8 @@ int main(int argc, char *argv[]) {
for (;;) {
for (;;) {
+ sd_id128_t boot_id;
+
if (need_seek) {
r = sd_journal_next(j);
if (r < 0) {
@@ -401,6 +405,16 @@ int main(int argc, char *argv[]) {
if (r == 0)
break;
+ 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(ANSI_HIGHLIGHT_ON "----- Reboot -----" ANSI_HIGHLIGHT_OFF "\n");
+
+ previous_boot_id = boot_id;
+ previous_boot_id_valid = true;
+ }
+
line ++;
r = output_journal(j, arg_output, line, 0, arg_show_all);
diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 6331f042ce..5420be13ea 100644
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -1397,8 +1397,6 @@ _public_ int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret, sd_id12
if (!j)
return -EINVAL;
- if (!ret)
- return -EINVAL;
f = j->current_file;
if (!f)
@@ -1422,7 +1420,9 @@ _public_ int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret, sd_id12
return -ESTALE;
}
- *ret = le64toh(o->entry.monotonic);
+ if (ret)
+ *ret = le64toh(o->entry.monotonic);
+
return 0;
}