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This complements existing functionality of setting variables
through 'systemctl set-environment', the kernel command line,
and through normal environment variables for systemd in session
mode.
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In 31f7bf1 "logs-show: print multiline messages", I forgot
to take into account the fact that --all implies --full for
journalctl.
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Fixup for 9444b1f "logind: add infrastructure to keep track of
machines, and move to slices."
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/run/systemd/machines/
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- This changes all logind cgroup objects to use slice objects rather
than fixed croup locations.
- logind can now collect minimal information about running
VMs/containers. As fixed cgroup locations can no longer be used we
need an entity that keeps track of machine cgroups in whatever slice
they might be located. Since logind already keeps track of users,
sessions and seats this is a trivial addition.
- nspawn will now register with logind and pass various bits of metadata
along. A new option "--slice=" has been added to place the container
in a specific slice.
- loginctl gained commands to list, introspect and terminate machines.
- user.slice and machine.slice will now be pulled in by logind.service,
since only logind.service requires this slice.
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https://bugs.freedesktop.org/show_bug.cgi?id=65945
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Fixup for 98a6e13 "journalctl,loginctl,systemctl,systemd-cgls: add -l
as alias for --full".
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Onboard network controllers are not always on PCI domain 0.
[Kay: use int instead of long, add [P] to slot naming, remove sysname var]
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In order to prepare for the kernel cgroup rework, let's introduce a new
unit type to systemd, the "slice". Slices can be arranged in a tree and
are useful to partition resources freely and hierarchally by the user.
Each service unit can now be assigned to one of these slices, and later
on login users and machines may too.
Slices translate pretty directly to the cgroup hierarchy, and the
various objects can be assigned to any of the slices in the tree.
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conflicting dep for umount.target
That way systemd won't try to umount it at shutdown.
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https://bugs.freedesktop.org/show_bug.cgi?id=65850
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Since the system journal wasn't open yet, available_space() returned 0.
Before:
systemd-journal[22170]: Allowing system journal files to grow to 4.0G.
systemd-journal[22170]: Journal size currently limited to 0B due to SystemKeepFree.
After:
systemd-journal[22178]: Allowing system journal files to grow to 4.0G.
systemd-journal[22178]: Journal size currently limited to 3.0G due to SystemKeepFree.
Also, when failing to write a message, show how much space was needed:
"Failed to write entry (26 items, 260123456 bytes) despite vacuuming, ignoring: ...".
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"Corporation" was misspelled as "Coproration"
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https://bugs.freedesktop.org/show_bug.cgi?id=65610
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In the following scenario:
server creates system.journal
server creates user-1000.journal
both journals share the same seqnum_id.
Then
server writes to user-1000.journal first,
and server writes to system.journal a bit later,
and everything is fine.
The server then terminates (crash, reboot, rsyslog testing,
whatever), and user-1000.journal has entries which end with
a lower seqnum than system.journal. Now
server is restarted
server opens user-1000.journal and writes entries to it...
BAM! duplicate seqnums for the same seqnum_id.
Now, we usually don't see that happen, because system.journal
is closed last, and opened first. Since usually at least one
message is written during boot and lands in the system.journal,
the seqnum is initialized from it, and is set to a number higher
than than anything found in user journals. Nevertheless, if
system.journal is corrupted and is rotated, it can happen that
an entry is written to the user journal with a seqnum that is
a duplicate with an entry found in the corrupted system.journal~.
When browsing the journal, journalctl can fall into a loop
where it tries to follow the seqnums, and tries to go the
next location by seqnum, and is transported back in time to
to the older duplicate seqnum. There is not way to find
out the maximum seqnum used in a multiple files, without
actually looking at all of them. But we don't want to do
that because it would be slow, and actually it isn't really
possible, because a file might e.g. be temporarily unaccessible.
Fix the problem by using different seqnum series for user
journals. Using the same seqnum series for rotated journals
is still fine, because we know that nothing will write
to the rotated journal anymore.
Likely related:
https://bugs.freedesktop.org/show_bug.cgi?id=64566
https://bugs.freedesktop.org/show_bug.cgi?id=59856
https://bugs.freedesktop.org/show_bug.cgi?id=64296
https://bugs.archlinux.org/task/35581
https://bugzilla.novell.com/show_bug.cgi?id=817778
Possibly related:
https://bugs.freedesktop.org/show_bug.cgi?id=64293
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This test case failed until a3e6f050de8.
Taken from https://bugs.freedesktop.org/show_bug.cgi?id=65255.
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The order was different in various places, which makes it harder to
read to code. Also consistently use ternany for all direction checks.
Remove one free(NULL).
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The fields in JournalFile are moved around to avoid wasting
7 bytes because of alignment.
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This is useful for debugging and feels pretty natural. For example
answering the question "is this big .journal file worth keeping?"
is made easier.
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This allows the caller to explicitly specify which journal files
should be opened. The same functionality could be achieved before
by creating a directory and playing around with symlinks. It
is useful to debug stuff and explore the journal, and has been
requested before.
Waiting is supported, the journal will notice modifications on
the files supplied when opening the journal, but will not add
any new files.
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The headers are currently not printed properly: some "(null)"s appear.
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The same buffer was used for two different IDs, messing up
the output.
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Casts are visually heavy, and can obscure unwanted truncations.
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AND term usually don't have many subterms (4 seems to be the maximum
sensible number, e.g. _BOOT_ID && _SYSTEMD_UNIT && _PID && MESSAGE_ID).
Nevertheless, the cost of checking each subterm can be relatively
high, especially when the nested terms are compound, and it
makes sense to minimize the number of checks.
Instead of looping to the end and then again over the whole list once
again after at least one term changed the offset, start the loop at
the term which caused the change. This way ½ terms in the AND match
are not checked unnecessarily again.
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--user basically gives messages from your own systemd --user services.
--system basically gives messages from PID 1, kernel, and --system
services. Those two options are not exahustive, because a priviledged
user might be able to see messages from other users, and they will not
be shown with either or both of those flags.
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This is the just the library part.
SD_JOURNAL_CURRENT_USER flags is added to sd_j_open(), to open
files from current user.
SD_JOURNAL_SYSTEM_ONLY is renamed to SD_JOURNAL_SYSTEM,
and changed to mean to (also) open system files. This way various
flags can be combined, which gives them nicer semantics, especially
if other ones are added later.
Backwards compatibility is kept, because SD_JOURNAL_SYSTEM_ONLY
is equivalent to SD_JOURNAL_SYSTEM if used alone, and before there
we no other flags.
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https://bugs.freedesktop.org/show_bug.cgi?id=65382
https://bugs.gentoo.org/472060?id=472060
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$ journalctl -o verbose _EXE=/quiet/binary -f
-- Logs begin at Sun 2013-03-17 17:28:22 EDT. --
Failed to get realtime timestamp: Cannot assign requested address
JOURNAL_FOREACH_DATA_RETVAL is added, which allows the caller
to get the return value from sd_journal_enumerate_data. I think
we might want to expose this macro like SD_JOURNAL_FOREACH_DATA,
but for now it is in journal-internal.h.
There's a change in behaviour for output_*, not only in
output_verbose, that errors in sd_j_enumerate_data are not silently
ignored anymore.
https://bugs.freedesktop.org/show_bug.cgi?id=56459
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When a sigchld is received from an alien child, main_pid is set to
0 then service_enter_running calls main_pid_good to check if the
child is running. This incorrectly returned true because
kill(main_pid, 0) would return >= 0.
This fixes an error where a service would die and the cgroup would
become empty but the service would still report as active (running).
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Without this you have to use %40 with the -H flag because dbus doesn't
like the @ sign being unescaped.
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In 131601349 'systemctl: align all status fields to common column',
padding was calculated for 'ListenStream: ...', etc. Later on in
45a4f7233 'systemctl: tweak output of Listen: fields a bit' output
was changed to 'Listen: ... (stream)', but calculation didn't change.
Just remove the calculation, since now the result will be always 8,
and it it more important to have everything aligned to the widest
field ("Main-PID"), than to save a few columns, usually at most two
(e.g. "Listen").
Note: strlen is more natural, and is optimized to sizeof even
with -O0.
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[ 0.019862] fedora kernel: CPU0: Thermal monitoring enabled (TM1)
[ 0.019900] fedora kernel: Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32
tlb_flushall_shift: 5
[ 0.020118] fedora kernel: Freeing SMP alternatives: 24k freed
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