| Commit message (Collapse) | Author | Age | Files | Lines |
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Kernel:
Change statistics to use the *uptime() timescale (ie: relative to
boottime) rather than the UTC aligned timescale. This makes the
device statistics code oblivious to clock steps.
Change timestamps to bintime format, they are cheaper.
Remove the "busy_count", and replace it with two counter fields:
"start_count" and "end_count", which are updated in the down and
up paths respectively. This removes the locking constraint on
devstat.
Add a timestamp argument to devstat_start_transaction(), this will
normally be a timestamp set by the *_bio() function in bp->bio_t0.
Use this field to calculate duration of I/O operations.
Add two timestamp arguments to devstat_end_transaction(), one is
the current time, a NULL pointer means "take timestamp yourself",
the other is the timestamp of when this transaction started (see
above).
Change calculation of busy_time to operate on "the salami principle":
Only when we are idle, which we can determine by the start+end
counts being identical, do we update the "busy_from" field in the
down path. In the up path we accumulate the timeslice in busy_time
and update busy_from.
Change the byte_* and num_* fields into two arrays: bytes[] and
operations[].
Userland:
Change the misleading "busy_time" name to be called "snap_time" and
make the time long double since that is what most users need anyway,
fill it using clock_gettime(CLOCK_MONOTONIC) to put it on the same
timescale as the kernel fields.
Change devstat_compute_etime() to operate on struct bintime.
Remove the version 2 legacy interface: the change to bintime makes
compatibility far too expensive.
Fix a bug in systat's "vm" page where boot relative busy times would
be bogus.
Bump __FreeBSD_version to 500107
Review & Collaboration by: ken
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with another function by the same name in a system header.
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pollution in <kvm.h>.
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Submitted by: Jean-Luc Richier <Jean-Luc.Richier@imag.fr>
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fact that caddr_t is often misspelled as char *.
Sponsored by: DARPA, NAI Labs
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o use new style prototypes and function definitions
o signal handlers need an argument. Mark it unused.
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interface in the middle is if_detach()'d). Return (and handle)
ENOENT when the ifmib(4) is accessed for a nonexistent interface.
MFC after: 14 days
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Prevents simultaneous calls to updatestat() as function is not reentrant.
PR: bin/24857
Submitted by: Martin Butkus <mb@bagheera.thgwf.de>
MFC after: 1 month
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- MAN[1-9] -> MAN.
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mode. (i.e., not from inetd)
PR: bin/8212
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Reviewed by: Kenneth D. Merry <ken@plutotech.com>
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Submitted by: "Kenneth D. Merry" <ken@plutotech.com>
mike@smith.net.au (Mike Smith)
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has been ANSI-fied.
Pointed out by: bde
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This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.
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statistics. Unfortunately, the coverage of sysctl isn't good enough to do
all of them :-( .
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Add an initialization of the len parameter for the getsockname call.
Now rpc.rstatd can run under inetd.
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"pageins/outs" now refers to vnode paging.
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Original rstatd by John Brezak
Submitted by: Geoff.
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