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Merge branch 'perf' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/core

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Ingo Molnar 2010-05-08 10:02:57 +02:00
commit ed82702155
2 changed files with 18 additions and 4 deletions
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19
tools/perf/Documentation/perf-list.txt
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@ -18,8 +18,16 @@ various perf commands with the -e option.
RAW HARDWARE EVENT DESCRIPTOR RAW HARDWARE EVENT DESCRIPTOR
----------------------------- -----------------------------
Even when an event is not available in a symbolic form within perf right now, Even when an event is not available in a symbolic form within perf right now,
it can be encoded as <UMASK VALUE><EVENT NUM>, for instance, if the Intel docs it can be encoded in a per processor specific way.
describe an event as:
For instance For x86 CPUs NNN represents the raw register encoding with the
layout of IA32_PERFEVTSELx MSRs (see [Intel® 64 and IA-32 Architectures Software Developer's Manual Volume 3B: System Programming Guide] Figure 30-1 Layout
of IA32_PERFEVTSELx MSRs) or AMD's PerfEvtSeln (see [AMD64 Architecture Programmer’s Manual Volume 2: System Programming], Page 344,
Figure 13-7 Performance Event-Select Register (PerfEvtSeln)).
Example:
If the Intel docs for a QM720 Core i7 describe an event as:
Event Umask Event Mask Event Umask Event Mask
Num. Value Mnemonic Description Comment Num. Value Mnemonic Description Comment
@ -33,6 +41,9 @@ raw encoding of 0x1A8 can be used:
perf stat -e r1a8 -a sleep 1 perf stat -e r1a8 -a sleep 1
perf record -e r1a8 ... perf record -e r1a8 ...
You should refer to the processor specific documentation for getting these
details. Some of them are referenced in the SEE ALSO section below.
OPTIONS OPTIONS
------- -------
None None
@ -40,4 +51,6 @@ None
SEE ALSO SEE ALSO
-------- --------
linkperf:perf-stat[1], linkperf:perf-top[1], linkperf:perf-stat[1], linkperf:perf-top[1],
linkperf:perf-record[1] linkperf:perf-record[1],
http://www.intel.com/Assets/PDF/manual/253669.pdf[Intel® 64 and IA-32 Architectures Software Developer's Manual Volume 3B: System Programming Guide],
http://support.amd.com/us/Processor_TechDocs/24593.pdf[AMD64 Architecture Programmer’s Manual Volume 2: System Programming]

3
tools/perf/util/parse-events.c
View file

@ -943,7 +943,8 @@ void print_events(void)
printf("\n"); printf("\n");
printf(" %-42s [%s]\n", printf(" %-42s [%s]\n",
"rNNN (NNN=<UMASK VALUE><EVENT NUM>)", event_type_descriptors[PERF_TYPE_RAW]); "rNNN (see 'perf list --help' on how to encode it)",
event_type_descriptors[PERF_TYPE_RAW]);
printf("\n"); printf("\n");
printf(" %-42s [%s]\n", printf(" %-42s [%s]\n",