Documentation/perf_counter/Documentation/perf-top.txt


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55

perf-top(1)
==========

NAME
----
perf-top - Run a command and profile it

SYNOPSIS
--------
[verse]
'perf top' [-e <EVENT> | --event=EVENT] [-l] [-a] <command>

DESCRIPTION
-----------
This command runs a command and gathers a performance counter profile
from it.


OPTIONS
-------
<command>...::
	Any command you can specify in a shell.

-e::
--event=::
                             0:0: cpu-cycles          
                             0:0: cycles              
                             0:1: instructions        
                             0:2: cache-references    
                             0:3: cache-misses        
                             0:4: branch-instructions 
                             0:4: branches            
                             0:5: branch-misses       
                             0:6: bus-cycles          
                             1:0: cpu-clock           
                             1:1: task-clock          
                             1:2: page-faults         
                             1:2: faults              
                             1:5: minor-faults        
                             1:6: major-faults        
                             1:3: context-switches    
                             1:3: cs                  
                             1:4: cpu-migrations      
                             1:4: migrations          
                           rNNN: raw PMU events (eventsel+umask)

-a::
        system-wide collection

-l::
        scale counter values

SEE ALSO
--------
linkperf:perf-stat[1]