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[docs] add some more stuff for the gantt chart

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pull/1205/head
Tim Stack 9 months ago
parent acfc5bfcfd
commit 530021604e
10 changed files with 70 additions and 33 deletions
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6
docs/source/intro.rst
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@ -11,6 +11,12 @@ navigate through your logs using a variety of :ref:`hotkeys<hotkeys>`.
for doing things like applying filters, tagging messages, and more. You can
then analyze your log messages using the :ref:`sql-ext`.
.. figure:: lnav-intro-screen.png
:align: center
:alt: Screenshot of lnav showing a mix of syslog and web access_log messages.
Screenshot of **lnav** viewing syslog and web access_log messages.
Development
-----------

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29
docs/source/ui.rst
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@ -301,6 +301,13 @@ GANTT
.. note:: This feature is available in v0.12.0+.
.. figure:: lnav-gantt-1.png
:align: center
Screenshot of the Gantt chart view when viewing logs from the
VMWare Update Manager. Most rows show API requests as they
are received and processed.
The Gantt Chart view visualizes operations over time. The operations
are identified by the "opid" field defined in the log format. In the
view, there is a header that shows the overall time span, the
@ -322,7 +329,27 @@ focused time span will be adjusted to keep the preceding and following
five operations within the span.
The preview panel at the bottom of the display will show the
messages associated with the operation.
messages associated with the focused operation.
The following hotkeys can be useful in this view:
* :kbd:`p` -- If the log format defined sub-operations with the
:code:`opid/subid` property, this will toggle an overlay panel
that displays the sub-operation descriptions.
.. figure:: lnav-gantt-2.png
:align: center
Screenshot showing the same log as above after pressing
:kbd:`p`. The overlay panel shows a breakdown of
sub-operations performed while processing the main operation.
* :kbd:`Shift` + :kbd:`q` -- Return to the previous view and change
its focused line to match the time that was focused in the gantt
view.
* :kbd:`Shift` + :kbd:`a` -- After leaving the gantt view, pressing
these keys will return to the Gantt view while keeping the focused
time in sync.
PRETTY
^^^^^^

6
release/loggen.py
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@ -131,7 +131,7 @@ TEST_AGENTS = [
"Roku4640X/DVP-7.70 (297.70E04154A)",
]
START_TIME = datetime.datetime.fromtimestamp(1641898727)
START_TIME = datetime.datetime.fromtimestamp(1692700000)
ACCESS_LOG_CURR_TIME = START_TIME
SYSLOG_LOG_CURR_TIME = START_TIME
@ -139,7 +139,7 @@ SYSLOG_LOG_CURR_TIME = START_TIME
def access_log_msgs():
global ACCESS_LOG_CURR_TIME
while True:
ACCESS_LOG_CURR_TIME += datetime.timedelta(seconds=random.randrange(1, 3))
ACCESS_LOG_CURR_TIME += datetime.timedelta(seconds=random.randrange(1, 5))
yield '%s - %s [%s +0000] "%s %s %s" %s %s "%s" "%s"\n' % (
random.choice(TEST_ADDRESSES),
random.choice(TEST_USERNAMES),
@ -181,7 +181,7 @@ TEST_MSGS = [
def syslog_msgs():
global SYSLOG_LOG_CURR_TIME
while True:
SYSLOG_LOG_CURR_TIME += datetime.timedelta(seconds=random.randrange(1, 3))
SYSLOG_LOG_CURR_TIME += datetime.timedelta(seconds=random.randrange(1, 5))
yield '%s frontend3 %s: %s\n' % (
SYSLOG_LOG_CURR_TIME.strftime(SYSLOG_DATE_FMT),
random.choice(TEST_PROCS),

2
src/formats/procstate_log.json
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@ -15,7 +15,7 @@
],
"search-table": {
"procstate_procs": {
"pattern": "^(?<user>\\S+)\\s+(?:(?<ppid>\\d+)\\s+)?(?<pid>\\d+)\\s+(?<cpu_pct>\\d+(?:\\.\\d+)?)\\s+(?<mem_pct>\\d+(?:\\.\\d+)?)\\s+(?<vsz>\\d+)\\s+(?<rss>\\d+)\\s(?<tty>\\S+)\\s+(?<stat>\\S+)\\s+(?<start_time>\\S+)\\s+(?<cpu_time>\\S+)\\s+(?<cmd>(?<cmd_name>[^ \\n]+)(?: (?<cmd_args>[^\\n]+))?)$"
"pattern": "^(?<user>\\S+)\\s+(?:(?<ppid>\\d+)\\s+)?(?<pid>\\d+)\\s+(?<cpu_pct>\\d+(?:\\.\\d+)?)\\s+(?<mem_pct>\\d+(?:\\.\\d+)?)\\s+(?<vsz>\\d+)\\s+(?<rss>\\d+)\\s(?<tty>\\S+)\\s+(?<stat>\\S+)\\s+(?<start_time>\\S+)\\s+(?<cpu_time>\\S+)(?:\\s+(?<maj_flt>\\d+)\\s+(?<min_flt>\\d+))?\\s+(?<cmd>(?<cmd_name>[^ \\n]+)(?: (?<cmd_args>[^\\n]+))?)$"
}
}
}

4
src/spectro_source.cc
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@ -132,6 +132,7 @@ spectrogram_source::list_input_handle_key(listview_curses& lv, int ch)
this->text_attrs_for_line((textview_curses&) lv, sel, sa);
if (sa.empty()) {
this->ss_details_source.reset();
this->ss_cursor_column = nonstd::nullopt;
return true;
}
@ -165,6 +166,7 @@ spectrogram_source::list_input_handle_key(listview_curses& lv, int ch)
}
}
this->ss_cursor_column = current->sa_range.lr_start;
this->ss_details_source.reset();
lv.reload_data();
@ -526,12 +528,14 @@ spectrogram_source::text_selection_changed(textview_curses& tc)
{
if (this->ss_value_source == nullptr || this->text_line_count() == 0) {
this->ss_cursor_column = nonstd::nullopt;
this->ss_details_source.reset();
return;
}
const auto& s_row = this->load_row(tc, tc.get_selection());
this->ss_cursor_column
= s_row.nearest_column(this->ss_cursor_column.value_or(0));
this->ss_details_source.reset();
}
bool

8
test/expected/test_sql_search_table.sh_5aaae556ecb1661602f176215e28f661d3404032.out
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@ -1,4 +1,4 @@
log_line log_part  log_time log_idle_msecs log_level log_mark log_comment log_tags log_annotations log_filters match_index user  ppid pid cpu_pct mem_pct vsz rss tty stat start_time cpu_time  cmd  cmd_name cmd_args 
0 <NULL> 2022-06-02 00:01:01.000  0 info 0 <NULL> <NULL> <NULL> <NULL> 1 root <NULL> 2  0  0  0  0 ? S Jun01 0:00 [kthreadd] [kthreadd] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  1 root <NULL>  2  0  0  0  0 ?  S  Jun01  0:00  [kthreadd] [kthreadd]  <NULL>
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  1 root <NULL>  2  0  0  0  0 ?  S  Jun01  0:00  [kthreadd] [kthreadd]  <NULL> 
log_line log_part  log_time log_idle_msecs log_level log_mark log_comment log_tags log_annotations log_filters match_index user  ppid pid cpu_pct mem_pct vsz rss tty stat start_time cpu_time maj_flt min_flt  cmd  cmd_name cmd_args 
0 <NULL> 2022-06-02 00:01:01.000  0 info 0 <NULL> <NULL> <NULL> <NULL> 1 root <NULL> 2  0  0  0  0 ? S Jun01 0:00 <NULL> <NULL> [kthreadd] [kthreadd] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  1 root <NULL>  2  0  0  0  0 ?  S  Jun01  0:00   <NULL>  <NULL> [kthreadd] [kthreadd]  <NULL>
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  1 root <NULL>  2  0  0  0  0 ?  S  Jun01  0:00   <NULL>  <NULL> [kthreadd] [kthreadd]  <NULL> 

48
test/expected/test_sql_search_table.sh_df0fd242f57a96d40f466493938cda0789a094fa.out
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@ -1,24 +1,24 @@
log_line log_part  log_time log_idle_msecs log_level log_mark log_comment log_tags log_annotations log_filters match_index user  ppid pid cpu_pct mem_pct  vsz rss tty stat start_time cpu_time  cmd  cmd_name  cmd_args 
 0  <NULL> 2022-06-02 00:01:01.000  0 info   0  <NULL>  <NULL>  <NULL>  <NULL>  0 root <NULL>  1  0  0 158392 7792 ?  Ss  Jun01  0:14  /lib/systemd/systemd --switched-root --system --deserialize 16 /lib/systemd/systemd --switched-root --system --deserialize 16
0 <NULL> 2022-06-02 00:01:01.000  0 info 0 <NULL> <NULL> <NULL> <NULL> 1 root <NULL> 2  0  0  0  0 ? S Jun01 0:00 [kthreadd] [kthreadd] <NULL>
 0  <NULL> 2022-06-02 00:01:01.000  0 info   0  <NULL>  <NULL>  <NULL>  <NULL>  2 root <NULL>  3  0  0  0  0 ?  I<  Jun01  0:00  [rcu_gp]  [rcu_gp]  <NULL> 
 0  <NULL> 2022-06-02 00:01:01.000  0 info   0  <NULL>  <NULL>  <NULL>  <NULL>  3 root <NULL>  4  0  0  0  0 ?  I<  Jun01  0:00  [rcu_par_gp]  [rcu_par_gp]  <NULL> 
0 <NULL> 2022-06-02 00:01:01.000  0 info 0 <NULL> <NULL> <NULL> <NULL> 4 root <NULL> 6  0  0  0  0 ? I< Jun01 0:00 [kworker/0:0H-kblockd] [kworker/0:0H-kblockd] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  0 root <NULL>  1  0  0 158392 7792 ?  Ss  Jun01  0:14  /lib/systemd/systemd --switched-root --system --deserialize 16 /lib/systemd/systemd  --switched-root --system --deserialize 16
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  1 root <NULL>  2  0  0  0  0 ?  S  Jun01  0:00  [kthreadd]  [kthreadd]  <NULL> 
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  2 root <NULL>  3  0  0  0  0 ?  I<  Jun01  0:00  [rcu_gp]  [rcu_gp]  <NULL> 
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 3 root <NULL> 4  0  0  0  0 ? I< Jun01 0:00 [rcu_par_gp] [rcu_par_gp] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 4 root <NULL> 6  0  0  0  0 ? I< Jun01 0:00 [kworker/0:0H-kblockd] [kworker/0:0H-kblockd] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  5 root <NULL>  8  0  0  0  0 ?  I<  Jun01  0:00  [mm_percpu_wq]  [mm_percpu_wq]  <NULL> 
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  6 root <NULL>  9  0  0  0  0 ?  S  Jun01  0:00  [ksoftirqd/0]  [ksoftirqd/0]  <NULL> 
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 7 root <NULL> 10  0  0  0  0 ? I Jun01 0:23 [rcu_sched] [rcu_sched] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 8 root <NULL> 11  0  0  0  0 ? I Jun01 0:00 [rcu_bh] [rcu_bh] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  9 root <NULL>  12  0  0  0  0 ?  S  Jun01  0:00  [migration/0]  [migration/0]  <NULL> 
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  10 root <NULL>  14  0  0  0  0 ?  S  Jun01  0:00  [cpuhp/0]  [cpuhp/0]  <NULL> 
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  0 root <NULL>  1  0  0 158392 7792 ?  Ss  Jun01  0:14  /lib/systemd/systemd --switched-root --system --deserialize 16 /lib/systemd/systemd  --switched-root --system --deserialize 16
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 1 root <NULL> 2  0  0  0  0 ? S Jun01 0:00 [kthreadd] [kthreadd] <NULL>
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  2 root <NULL>  3  0  0  0  0 ?  I<  Jun01  0:00  [rcu_gp]  [rcu_gp]  <NULL> 
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  3 root <NULL>  4  0  0  0  0 ?  I<  Jun01  0:00  [rcu_par_gp]  [rcu_par_gp]  <NULL> 
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 4 root <NULL> 6  0  0  0  0 ? I< Jun01 0:00 [kworker/0:0H-kblockd] [kworker/0:0H-kblockd] <NULL>
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 5 root <NULL> 8  0  0  0  0 ? I< Jun01 0:00 [mm_percpu_wq] [mm_percpu_wq] <NULL>
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  6 root <NULL>  9  0  0  0  0 ?  S  Jun01  0:00  [ksoftirqd/0]  [ksoftirqd/0]  <NULL> 
log_line log_part  log_time log_idle_msecs log_level log_mark log_comment log_tags log_annotations log_filters match_index user  ppid pid cpu_pct mem_pct  vsz rss tty stat start_time cpu_time maj_flt min_flt  cmd  cmd_name  cmd_args 
 0  <NULL> 2022-06-02 00:01:01.000  0 info   0  <NULL>  <NULL>  <NULL>  <NULL>  0 root <NULL>  1  0  0 158392 7792 ?  Ss  Jun01  0:14   <NULL>  <NULL> /lib/systemd/systemd --switched-root --system --deserialize 16 /lib/systemd/systemd --switched-root --system --deserialize 16
0 <NULL> 2022-06-02 00:01:01.000  0 info 0 <NULL> <NULL> <NULL> <NULL> 1 root <NULL> 2  0  0  0  0 ? S Jun01 0:00 <NULL> <NULL> [kthreadd] [kthreadd] <NULL>
 0  <NULL> 2022-06-02 00:01:01.000  0 info   0  <NULL>  <NULL>  <NULL>  <NULL>  2 root <NULL>  3  0  0  0  0 ?  I<  Jun01  0:00   <NULL>  <NULL> [rcu_gp]  [rcu_gp]  <NULL> 
 0  <NULL> 2022-06-02 00:01:01.000  0 info   0  <NULL>  <NULL>  <NULL>  <NULL>  3 root <NULL>  4  0  0  0  0 ?  I<  Jun01  0:00   <NULL>  <NULL> [rcu_par_gp]  [rcu_par_gp]  <NULL> 
0 <NULL> 2022-06-02 00:01:01.000  0 info 0 <NULL> <NULL> <NULL> <NULL> 4 root <NULL> 6  0  0  0  0 ? I< Jun01 0:00 <NULL> <NULL> [kworker/0:0H-kblockd] [kworker/0:0H-kblockd] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  0 root <NULL>  1  0  0 158392 7792 ?  Ss  Jun01  0:14   <NULL>  <NULL> /lib/systemd/systemd --switched-root --system --deserialize 16 /lib/systemd/systemd  --switched-root --system --deserialize 16
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  1 root <NULL>  2  0  0  0  0 ?  S  Jun01  0:00   <NULL>  <NULL> [kthreadd]  [kthreadd]  <NULL> 
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  2 root <NULL>  3  0  0  0  0 ?  I<  Jun01  0:00   <NULL>  <NULL> [rcu_gp]  [rcu_gp]  <NULL> 
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 3 root <NULL> 4  0  0  0  0 ? I< Jun01 0:00 <NULL> <NULL> [rcu_par_gp] [rcu_par_gp] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 4 root <NULL> 6  0  0  0  0 ? I< Jun01 0:00 <NULL> <NULL> [kworker/0:0H-kblockd] [kworker/0:0H-kblockd] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  5 root <NULL>  8  0  0  0  0 ?  I<  Jun01  0:00   <NULL>  <NULL> [mm_percpu_wq]  [mm_percpu_wq]  <NULL> 
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  6 root <NULL>  9  0  0  0  0 ?  S  Jun01  0:00   <NULL>  <NULL> [ksoftirqd/0]  [ksoftirqd/0]  <NULL> 
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 7 root <NULL> 10  0  0  0  0 ? I Jun01 0:23 <NULL> <NULL> [rcu_sched] [rcu_sched] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 8 root <NULL> 11  0  0  0  0 ? I Jun01 0:00 <NULL> <NULL> [rcu_bh] [rcu_bh] <NULL>
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  9 root <NULL>  12  0  0  0  0 ?  S  Jun01  0:00   <NULL>  <NULL> [migration/0]  [migration/0]  <NULL> 
 12  <NULL> 2022-06-02 00:02:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  10 root <NULL>  14  0  0  0  0 ?  S  Jun01  0:00   <NULL>  <NULL> [cpuhp/0]  [cpuhp/0]  <NULL> 
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  0 root <NULL>  1  0  0 158392 7792 ?  Ss  Jun01  0:14   <NULL>  <NULL> /lib/systemd/systemd --switched-root --system --deserialize 16 /lib/systemd/systemd  --switched-root --system --deserialize 16
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 1 root <NULL> 2  0  0  0  0 ? S Jun01 0:00 <NULL> <NULL> [kthreadd] [kthreadd] <NULL>
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  2 root <NULL>  3  0  0  0  0 ?  I<  Jun01  0:00   <NULL>  <NULL> [rcu_gp]  [rcu_gp]  <NULL> 
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  3 root <NULL>  4  0  0  0  0 ?  I<  Jun01  0:00   <NULL>  <NULL> [rcu_par_gp]  [rcu_par_gp]  <NULL> 
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 4 root <NULL> 6  0  0  0  0 ? I< Jun01 0:00 <NULL> <NULL> [kworker/0:0H-kblockd] [kworker/0:0H-kblockd] <NULL>
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL> <NULL> <NULL> 5 root <NULL> 8  0  0  0  0 ? I< Jun01 0:00 <NULL> <NULL> [mm_percpu_wq] [mm_percpu_wq] <NULL>
 30  <NULL> 2022-06-02 00:03:01.000  60000 info   0  <NULL>  <NULL>  <NULL>  <NULL>  6 root <NULL>  9  0  0  0  0 ?  S  Jun01  0:00   <NULL>  <NULL> [ksoftirqd/0]  [ksoftirqd/0]  <NULL> 

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