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This will add another color to the legend called "Loading unit files"
Like the generators it will mark a part of the systemd bar indicating
the time spent while loading unit files.
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--system is default anyway, and some poor user might type 9
characters without needing to.
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This partially reverts commit c3a170f3, which moved
efi_get_boot_timestamps too early in main(), before
/sys is assured to be mounted
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64371
[tomegun: in particular /sys/firmware/efi/efivars needs to be
mounted, which is not a problem if a systemd-initramfs containing
the correct module is being used. But not everyone uses an
initramfs...]
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This makes ctrl-alt-del reboots more robust, just like "systemctl
reboot".
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When a trigger unit wants to know if a stop is queued for it, we should
just check precisely that and do not check whether it is actually
stopped already. This is because we use these checks usually from state
change calls where the state variables are not updated yet.
This change splits unit_pending_inactive() into two calls
unit_inactive_or_pending() and unit_stop_pending(). The former checks
state and pending jobs, the latter only pending jobs.
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The time for systemd initialization and selinux policy loading
is accounted to the initrd or the kernel, which is wrong.
Instead of:
Startup finished in 5.559s (firmware) + 36ms (loader) + 665ms (kernel) +
975ms (initrd) + 1.410s (userspace) = 8.647s
the more correct output is:
Startup finished in 5.559s (firmware) + 36ms (loader) + 665ms (kernel) +
475ms (initrd) + 1.910s (userspace) = 8.647s
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Freeing in error path is the common pattern with set_put().
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http://lists.freedesktop.org/archives/systemd-devel/2013-April/010510.html
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They are irrelevant and misleading.
E.g. systemd-analyze:
Startup finished in 6d 4h 15min 32.330s (kernel) + 49ms 914us (userspace) = 6d 4h 15min 32.380s
becomes
Startup finished in 53.735ms (userspace) = 53.735ms
which looks much better :)
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When switching root, i.e. LANG can be set to the locale of the initramfs
or "C", if it was unset. When systemd deserializes LANG in the real root
this would overwrite the setting previously gathered by locale_set().
To reproduce, boot with an initramfs without locale.conf or change
/etc/locale.conf to a different language than the initramfs and check a
daemon started by systemd:
$ tr "$\000" '\n' </proc/$(pidof sshd)/environ | grep LANG
LANG=C
To prevent that, serialization of environment variables is skipped, when
serializing for switching root.
https://bugzilla.redhat.com/show_bug.cgi?id=949525
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Before, we would initialize many fields twice: first
by filling the structure with zeros, and then a second
time with the real values. We can let the compiler do
the job for us, avoiding one copy.
A downside of this patch is that text gets slightly
bigger. This is because all zero() calls are effectively
inlined:
$ size build/.libs/systemd
text data bss dec hex filename
before 897737 107300 2560 1007597 f5fed build/.libs/systemd
after 897873 107300 2560 1007733 f6075 build/.libs/systemd
… actually less than 1‰.
A few asserts that the parameter is not null had to be removed. I
don't think this changes much, because first, it is quite unlikely
for the assert to fail, and second, an immediate SEGV is almost as
good as an assert.
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different umask
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Instead of outputting "5h 55s 50ms 3us" we'll now output "5h
55.050003s". Also, while outputting the accuracy is configurable.
Basically we now try use "dot notation" for all time values > 1min. For
>= 1s we use 's' as unit, otherwise for >= 1ms we use 'ms' as unit, and
finally 'us'.
This should give reasonably values in most cases.
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The ~80 chars per line part wasn't well received.
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Use _cleanup_ and wrap lines to ~80 chars and such.
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All Execs within the service, will get mounted the same
/tmp and /var/tmp directories, if service is configured with
PrivateTmp=yes. Temporary directories are cleaned up by service
itself in addition to systemd-tmpfiles. Directory which is mounted
as inaccessible is created at runtime in /run/systemd.
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Just like mempcpy() is almost identical to memcpy() except the useful
return value, so is the relation of mempset() to memset().
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The running jobs animation is supposed to hide itself when jobs are
progressing sufficiently fast.
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Forked processes can keep the old fd alive triggering epoll over and
over again else.
https://bugs.freedesktop.org/show_bug.cgi?id=61697
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Harald encountered division by zero in manager_print_jobs_in_progress.
Clearly we had the watch enabled when we shouldn't - there were no
running jobs in m->jobs, only waiting ones. This is either a deadlock,
or maybe some of them would be detected as runnable in the next dispatch
of the run queue. In any case we mustn't crash.
Fix it by starting and stopping the watch based on n_running_jobs
instead of the number of all jobs.
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The crash that the check prevented has been fixed by commit 9e9e2b7.
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All active units will call unit_notify() during coldplug, so we just
make sure we're counting from zero again and get the correct result for
n_on_console.
For n_running_jobs we likewise reset it to zero and then count
the running jobs as we encounter them in deserialization.
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Sometimes the boot gets stuck until a timeout hits. The usual timeouts
are on the order of minutes, so users may lose patience.
Print animated status messages telling the names of units with running
jobs to make it easy to see what systemd is waiting for.
The animation looks cooler with a shorter interval, but 1 s is OK and
should not be too hard on slow serial console users.
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Ephemeral status lines do not end with a newline and they expect to be
overwritten by the next printed status line.
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They're not used outside manager.c anymore.
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unit_status_printf() checks the state of the manager, not of the unit
as such. Move it to manager.c and rename it to manager_status_printf().
Temporarily keep unit_status_printf as a wrapper macro.
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Add a new job mode: replace-irreversibly. Jobs enqueued using this mode
cannot be implicitly canceled by later enqueued conflicting jobs.
They can however still be canceled with an explicit "systemctl cancel"
call.
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Fixes this bug:
alxchk > systemctl --user set-environment A=B
alxchk > systemctl --user show-environment | grep ^A=
A=B
alxchk > systemctl --user daemon-reexec
alxchk > systemctl --user show-environment | grep ^A=
alxchk >
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This can be pretty important for the user, and is not trivial
to figure out in all cases.
Also show failing path in error messages.
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The ability to start a new unit with 'systemctl start ...' should not
depend on whether there are other units in the directory. Previously,
an additional 'systemctl daemon-reload' would be necessary to tell
systemd to update the list of unit lookup paths.
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This allows us to print simple performance data of all parts of the boot now:
- firmware
- boot loader
- kernel
- initrd
- userspace
This only works for bootloaders which support passing TSC data via EFI
variables. As of now that's only gummiboot.
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clock is changed
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The MESSAGE_ID=... stanza will appear in countless number of places.
It is just too long to write it out in full each time.
Incidentally, this also fixes a typo of MESSSAGE is three places.
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