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Revision tags: release/14.0.0 |
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b3e76948 |
| 16-Aug-2023 |
Warner Losh <imp@FreeBSD.org> |
Remove $FreeBSD$: two-line .h pattern
Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/
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Revision tags: release/13.2.0, release/12.4.0, release/13.1.0, release/12.3.0, release/13.0.0, release/12.2.0, release/11.4.0, release/12.1.0, release/11.3.0, release/12.0.0, release/11.2.0 |
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b2ca2e50 |
| 06-Jun-2018 |
Matt Macy <mmacy@FreeBSD.org> |
hwpmc: add summary command and further metadata extensions
metadata changes:
- log pmc sample rate with pmcallocate
- log proc flags with thread / process logging
to identify user vs kernel thread
hwpmc: add summary command and further metadata extensions
metadata changes:
- log pmc sample rate with pmcallocate
- log proc flags with thread / process logging
to identify user vs kernel threads
fixes:
- use log cpuid to translate event id to event name
Implement rudimentary summary command to track sample
counts by thread and process name within a pmc log.
% make -j4 buildkernel >& /dev/null &
% sudo pmcstat -S unhalted_core_cycles -S llc-misses -O foo sleep 15
% pmc summary foo
cpu_clk_unhalted.thread_p_any:
idle: 138108207162
clang-6.0: 105336158004
sh: 72340108510
make: 8642012963
kernel: 7754011631
longest_lat_cache.miss:
clang-6.0: 87502625
sh: 40901227
make: 5500165
kernel: 3300099
awk: 2000060
% pmc summary -f ~/foo
idx: 278 name: cpu_clk_unhalted.thread_p_any rate: 2000003
idle: 69054
clang-6.0: 52668
sh: 36170
make: 4321
kernel: 3877
hwpmc: proc(7445): 3319
awk: 1289
xargs: 357
rand_harvestq: 181
mtree: 102
intr: 53
zfskern: 31
usb: 7
pagedaemon: 4
ntpd: 3
syslogd: 1
acpi_thermal: 1
logger: 1
syncer: 1
snmptrapd: 1
sleep: 1
idx: 17 name: longest_lat_cache.miss rate: 100003
clang-6.0: 875
sh: 409
make: 55
kernel: 33
awk: 20
hwpmc: proc(7445): 14
xargs: 9
idle: 8
intr: 3
zfskern: 2
show more ...
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Revision tags: release/10.4.0, release/11.1.0, release/11.0.1, release/11.0.0, release/10.3.0, release/10.2.0 |
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9268022b |
| 19-Nov-2014 |
Simon J. Gerraty <sjg@FreeBSD.org> |
Merge from head@274682
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Revision tags: release/10.1.0 |
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246e7a2b |
| 02-Sep-2014 |
Neel Natu <neel@FreeBSD.org> |
IFC @r269962
Submitted by: Anish Gupta (akgupt3@gmail.com)
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1b833d53 |
| 13-Aug-2014 |
Alexander V. Chernikov <melifaro@FreeBSD.org> |
Sync to HEAD@r269943.
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46b315b2 |
| 31-Jul-2014 |
George V. Neville-Neil <gnn@FreeBSD.org> |
Various style(9) and related fixes.
Update the copyright to be more in line with the current version in
our tree.
Remove the ancient rcsid.
Add a proper return from the main function
Pointed out by:
Various style(9) and related fixes.
Update the copyright to be more in line with the current version in
our tree.
Remove the ancient rcsid.
Add a proper return from the main function
Pointed out by: bz
show more ...
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ea430145 |
| 31-Jul-2014 |
George V. Neville-Neil <gnn@FreeBSD.org> |
Add an example program to show how to use libpmc from a program.
This particular program attempts to use the TSC to measure how long
certainly libpmc operations take. Depending on the quality of
the
Add an example program to show how to use libpmc from a program.
This particular program attempts to use the TSC to measure how long
certainly libpmc operations take. Depending on the quality of
the rdtsc() macro on a particular architecture this may work
more or less well.
show more ...
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