mirror of
https://github.com/systemd/systemd-stable.git
synced 2024-12-22 13:33:56 +03:00
shared/logs-show: add new --output= format "short-delta"
This new output formatting option is similar to "short-monotonic" but also shows the time delta between two messages. This fixes #24641.
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275e6be052
commit
893bcd3d07
4
NEWS
4
NEWS
@ -165,6 +165,10 @@ CHANGES WITH 252 in spe:
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* openssl is the default crypto backend for systemd-resolved. (gnutls
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is still supported.)
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* journalctl -o (and similar commands) now understands a new output mode
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"short-delta". It is similar to "short-monotonic" but also shows the
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time delta between two messages.
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Experimental features:
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* BPF programs can now be compiled with bpf-gcc.
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@ -419,6 +419,13 @@
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timestamps.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>short-delta</option></term>
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<listitem><para>as for <option>short-monotonic</option> but includes the time difference
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to the previous entry.
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Maybe unreliable time differences are marked by a <literal>*</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>short-unix</option></term>
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<listitem><para>is very similar, but shows seconds passed since January 1st 1970 UTC instead of
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@ -2,5 +2,5 @@
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# SPDX-License-Identifier: LGPL-2.1-or-later
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local -a _output_opts
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_output_opts=(short short-full short-iso short-iso-precise short-precise short-monotonic short-unix verbose export json json-pretty json-sse json-seq cat with-unit)
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_output_opts=(short short-full short-iso short-iso-precise short-precise short-monotonic short-unix short-delta verbose export json json-pretty json-sse json-seq cat with-unit)
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_describe -t output 'output mode' _output_opts || compadd "$@"
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@ -148,6 +148,8 @@ static ssize_t request_reader_entries(
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size_t max) {
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RequestMeta *m = ASSERT_PTR(cls);
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dual_timestamp previous_ts = DUAL_TIMESTAMP_NULL;
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sd_id128_t previous_boot_id = SD_ID128_NULL;
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int r;
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size_t n, k;
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@ -222,7 +224,7 @@ static ssize_t request_reader_entries(
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}
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r = show_journal_entry(m->tmp, m->journal, m->mode, 0, OUTPUT_FULL_WIDTH,
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NULL, NULL, NULL);
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NULL, NULL, NULL, &previous_ts, &previous_boot_id);
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if (r < 0) {
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log_error_errno(r, "Failed to serialize item: %m");
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return MHD_CONTENT_READER_END_WITH_ERROR;
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@ -2097,7 +2097,8 @@ int main(int argc, char *argv[]) {
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bool previous_boot_id_valid = false, first_line = true, ellipsized = false, need_seek = false;
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bool use_cursor = false, after_cursor = false;
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_cleanup_(sd_journal_closep) sd_journal *j = NULL;
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sd_id128_t previous_boot_id = {}; /* Unnecessary initialization to appease gcc */
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sd_id128_t previous_boot_id = SD_ID128_NULL, previous_boot_id_output = SD_ID128_NULL;
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dual_timestamp previous_ts_output = DUAL_TIMESTAMP_NULL;
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int n_shown = 0, r, poll_fd = -1;
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setlocale(LC_ALL, "");
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@ -2672,7 +2673,8 @@ int main(int argc, char *argv[]) {
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arg_no_hostname * OUTPUT_NO_HOSTNAME;
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r = show_journal_entry(stdout, j, arg_output, 0, flags,
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arg_output_fields, highlight, &ellipsized);
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arg_output_fields, highlight, &ellipsized,
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&previous_ts_output, &previous_boot_id_output);
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need_seek = true;
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if (r == -EADDRNOTAVAIL)
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break;
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@ -1267,9 +1267,9 @@ static int help(int argc, char *argv[], void *userdata) {
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" -n --lines=INTEGER Number of journal entries to show\n"
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" -o --output=STRING Change journal output mode (short, short-precise,\n"
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" short-iso, short-iso-precise, short-full,\n"
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" short-monotonic, short-unix, verbose, export,\n"
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" short-monotonic, short-unix, short-delta,\n"
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" json, json-pretty, json-sse, json-seq, cat,\n"
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" with-unit)\n"
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" verbose, export, with-unit)\n"
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"\nSee the %s for details.\n",
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program_invocation_short_name,
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ansi_highlight(),
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@ -2462,9 +2462,9 @@ static int help(int argc, char *argv[], void *userdata) {
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" --max-addresses=INTEGER Number of internet addresses to show at most\n"
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" -o --output=STRING Change journal output mode (short, short-precise,\n"
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" short-iso, short-iso-precise, short-full,\n"
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" short-monotonic, short-unix, verbose, export,\n"
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" short-monotonic, short-unix, short-delta,\n"
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" json, json-pretty, json-sse, json-seq, cat,\n"
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" with-unit)\n"
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" verbose, export, with-unit)\n"
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" --verify=MODE Verification mode for downloaded images (no,\n"
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" checksum, signature)\n"
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" --force Download image even if already exists\n"
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@ -317,15 +317,47 @@ static bool print_multiline(
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return ellipsized;
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}
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static int output_timestamp_monotonic(FILE *f, const dual_timestamp *ts) {
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static int output_timestamp_monotonic(
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FILE *f, OutputMode mode,
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const dual_timestamp *ts,
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const sd_id128_t *boot_id,
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const dual_timestamp *previous_ts,
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const sd_id128_t *previous_boot_id) {
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int written_chars = 0;
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assert(f);
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assert(ts);
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assert(boot_id);
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assert(previous_ts);
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assert(previous_boot_id);
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if (!VALID_MONOTONIC(ts->monotonic))
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "No valid monotonic timestamp available");
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fprintf(f, "[%5"PRI_USEC".%06"PRI_USEC"]", ts->monotonic / USEC_PER_SEC, ts->monotonic % USEC_PER_SEC);
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return 1 + 5 + 1 + 6 + 1;
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written_chars += fprintf(f, "[%5"PRI_USEC".%06"PRI_USEC, ts->monotonic / USEC_PER_SEC, ts->monotonic % USEC_PER_SEC);
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if (mode == OUTPUT_SHORT_DELTA) {
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uint64_t delta;
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bool reliable_ts = true;
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if (VALID_MONOTONIC(previous_ts->monotonic) && sd_id128_equal(*boot_id, *previous_boot_id))
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delta = usec_sub_unsigned(ts->monotonic, previous_ts->monotonic);
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else if (VALID_REALTIME(ts->realtime) && VALID_REALTIME(previous_ts->realtime)) {
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delta = usec_sub_unsigned(ts->realtime, previous_ts->realtime);
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reliable_ts = false;
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} else {
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written_chars += fprintf(f, "%16s", "");
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goto finish;
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}
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written_chars += fprintf(f, " <%5"PRI_USEC".%06"PRI_USEC"%s>", delta / USEC_PER_SEC, delta % USEC_PER_SEC, reliable_ts ? " " : "*");
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}
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finish:
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written_chars += fprintf(f, "%s", "]");
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return written_chars;
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}
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static int output_timestamp_realtime(
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@ -426,7 +458,9 @@ static int output_short(
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const Set *output_fields,
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const size_t highlight[2],
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const dual_timestamp *ts,
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const sd_id128_t *boot_id) {
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const sd_id128_t *boot_id,
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const dual_timestamp *previous_ts,
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const sd_id128_t *previous_boot_id) {
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int r;
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const void *data;
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@ -459,6 +493,8 @@ static int output_short(
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assert(j);
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assert(ts);
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assert(boot_id);
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assert(previous_ts);
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assert(previous_boot_id);
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/* Set the threshold to one bigger than the actual print
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* threshold, so that if the line is actually longer than what
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@ -493,8 +529,8 @@ static int output_short(
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audit = streq_ptr(transport, "audit");
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if (mode == OUTPUT_SHORT_MONOTONIC)
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r = output_timestamp_monotonic(f, ts);
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if (IN_SET(mode, OUTPUT_SHORT_MONOTONIC, OUTPUT_SHORT_DELTA))
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r = output_timestamp_monotonic(f, mode, ts, boot_id, previous_ts, previous_boot_id);
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else
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r = output_timestamp_realtime(f, j, mode, flags, ts);
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if (r < 0)
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@ -629,7 +665,9 @@ static int output_verbose(
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const Set *output_fields,
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const size_t highlight[2],
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const dual_timestamp *ts,
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const sd_id128_t *boot_id) {
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const sd_id128_t *boot_id,
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const dual_timestamp *previous_ts,
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const sd_id128_t *previous_boot_id) {
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const void *data;
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size_t length;
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@ -642,6 +680,8 @@ static int output_verbose(
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assert(j);
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assert(ts);
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assert(boot_id);
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assert(previous_ts);
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assert(previous_boot_id);
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sd_journal_set_data_threshold(j, 0);
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@ -727,7 +767,9 @@ static int output_export(
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const Set *output_fields,
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const size_t highlight[2],
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const dual_timestamp *ts,
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const sd_id128_t *boot_id) {
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const sd_id128_t *boot_id,
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const dual_timestamp *previous_ts,
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const sd_id128_t *previous_boot_id) {
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_cleanup_free_ char *cursor = NULL;
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const void *data;
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@ -737,6 +779,8 @@ static int output_export(
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assert(j);
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assert(ts);
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assert(boot_id);
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assert(previous_ts);
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assert(previous_boot_id);
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sd_journal_set_data_threshold(j, 0);
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@ -962,7 +1006,9 @@ static int output_json(
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const Set *output_fields,
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const size_t highlight[2],
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const dual_timestamp *ts,
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const sd_id128_t *boot_id) {
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const sd_id128_t *boot_id,
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const dual_timestamp *previous_ts,
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const sd_id128_t *previous_boot_id) {
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char sid[SD_ID128_STRING_MAX], usecbuf[DECIMAL_STR_MAX(usec_t)];
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_cleanup_(json_variant_unrefp) JsonVariant *object = NULL;
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@ -976,6 +1022,8 @@ static int output_json(
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assert(j);
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assert(ts);
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assert(boot_id);
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assert(previous_ts);
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assert(previous_boot_id);
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(void) sd_journal_set_data_threshold(j, flags & OUTPUT_SHOW_ALL ? 0 : JSON_THRESHOLD);
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@ -1158,7 +1206,9 @@ static int output_cat(
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const Set *output_fields,
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const size_t highlight[2],
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const dual_timestamp *ts,
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const sd_id128_t *boot_id) {
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const sd_id128_t *boot_id,
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const dual_timestamp *previous_ts,
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const sd_id128_t *previous_boot_id) {
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int r, prio = LOG_INFO;
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const char *field;
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@ -1167,6 +1217,8 @@ static int output_cat(
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assert(f);
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assert(ts);
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assert(boot_id);
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assert(previous_ts);
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assert(previous_boot_id);
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(void) sd_journal_set_data_threshold(j, 0);
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@ -1259,13 +1311,16 @@ static int (*output_funcs[_OUTPUT_MODE_MAX])(
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const Set *output_fields,
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const size_t highlight[2],
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const dual_timestamp *ts,
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const sd_id128_t *boot_id) = {
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const sd_id128_t *boot_id,
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const dual_timestamp *previous_ts,
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const sd_id128_t *previous_boot_id) = {
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[OUTPUT_SHORT] = output_short,
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[OUTPUT_SHORT_ISO] = output_short,
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[OUTPUT_SHORT_ISO_PRECISE] = output_short,
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[OUTPUT_SHORT_PRECISE] = output_short,
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[OUTPUT_SHORT_MONOTONIC] = output_short,
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[OUTPUT_SHORT_DELTA] = output_short,
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[OUTPUT_SHORT_UNIX] = output_short,
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[OUTPUT_SHORT_FULL] = output_short,
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[OUTPUT_VERBOSE] = output_verbose,
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@ -1286,7 +1341,9 @@ int show_journal_entry(
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OutputFlags flags,
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char **output_fields,
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const size_t highlight[2],
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bool *ellipsized) {
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bool *ellipsized,
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dual_timestamp *previous_ts,
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sd_id128_t *previous_boot_id) {
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_cleanup_set_free_ Set *fields = NULL;
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dual_timestamp ts = DUAL_TIMESTAMP_NULL;
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@ -1295,6 +1352,8 @@ int show_journal_entry(
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assert(mode >= 0);
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assert(mode < _OUTPUT_MODE_MAX);
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assert(previous_ts);
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assert(previous_boot_id);
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if (n_columns <= 0)
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n_columns = columns();
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@ -1311,7 +1370,11 @@ int show_journal_entry(
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if (r < 0)
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return log_error_errno(r, "Failed to get journal fields: %m");
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r = output_funcs[mode](f, j, mode, n_columns, flags, fields, highlight, &ts, &boot_id);
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r = output_funcs[mode](f, j, mode, n_columns, flags, fields, highlight, &ts, &boot_id, previous_ts, previous_boot_id);
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/* Store timestamp and boot ID for next iteration */
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*previous_ts = ts;
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*previous_boot_id = boot_id;
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if (ellipsized && r > 0)
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*ellipsized = true;
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@ -1348,6 +1411,8 @@ int show_journal(
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unsigned line = 0;
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bool need_seek = false;
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int warn_cutoff = flags & OUTPUT_WARN_CUTOFF;
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dual_timestamp previous_ts = DUAL_TIMESTAMP_NULL;
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sd_id128_t previous_boot_id = SD_ID128_NULL;
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assert(j);
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assert(mode >= 0);
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@ -1396,7 +1461,8 @@ int show_journal(
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line++;
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maybe_print_begin_newline(f, &flags);
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r = show_journal_entry(f, j, mode, n_columns, flags, NULL, NULL, ellipsized);
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r = show_journal_entry(f, j, mode, n_columns, flags, NULL, NULL, ellipsized,
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&previous_ts, &previous_boot_id);
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if (r < 0)
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return r;
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}
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@ -21,7 +21,9 @@ int show_journal_entry(
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OutputFlags flags,
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char **output_fields,
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const size_t highlight[2],
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bool *ellipsized);
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bool *ellipsized,
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dual_timestamp *previous_ts,
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sd_id128_t *previous_boot_id);
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int show_journal(
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FILE *f,
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sd_journal *j,
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@ -28,6 +28,7 @@ static const char *const output_mode_table[_OUTPUT_MODE_MAX] = {
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[OUTPUT_SHORT_ISO_PRECISE] = "short-iso-precise",
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[OUTPUT_SHORT_PRECISE] = "short-precise",
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[OUTPUT_SHORT_MONOTONIC] = "short-monotonic",
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[OUTPUT_SHORT_DELTA] = "short-delta",
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[OUTPUT_SHORT_UNIX] = "short-unix",
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[OUTPUT_VERBOSE] = "verbose",
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[OUTPUT_EXPORT] = "export",
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@ -11,6 +11,7 @@ typedef enum OutputMode {
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OUTPUT_SHORT_ISO_PRECISE,
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OUTPUT_SHORT_PRECISE,
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OUTPUT_SHORT_MONOTONIC,
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OUTPUT_SHORT_DELTA,
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OUTPUT_SHORT_UNIX,
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OUTPUT_VERBOSE,
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OUTPUT_EXPORT,
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@ -291,7 +291,7 @@ static int systemctl_help(void) {
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" -n --lines=INTEGER Number of journal entries to show\n"
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" -o --output=STRING Change journal output mode (short, short-precise,\n"
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" short-iso, short-iso-precise, short-full,\n"
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" short-monotonic, short-unix,\n"
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" short-monotonic, short-unix, short-delta,\n"
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" verbose, export, json, json-pretty, json-sse, cat)\n"
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" --firmware-setup Tell the firmware to show the setup menu on next boot\n"
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" --boot-loader-menu=TIME\n"
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