1 i synthesize instruction
2 y synthesize cycles even
3 b synthesize branches ev
4 c synthesize branches ev
5 r synthesize branches ev
6 x synthesize transaction
7 w synthesize ptwrite eve
8 p synthesize power event
9 o synthesize other event
10 of aux-output (refer t
11 I synthesize interrupt o
12 (e.g. Intel PT Event T
13 e synthesize error event
14 d create a debug log
15 f synthesize first level
16 m synthesize last level
17 M synthesize memory even
18 t synthesize TLB events
19 a synthesize remote acce
20 g synthesize a call chai
21 G synthesize a call chai
22 l synthesize last branch
23 L synthesize last branch
24 s skip initial number of
25 q quicker (less detailed
26 A approximate IPC
27 Z prefer to ignore times
28 T use the timestamp trac
29
30 The default is all events i.e. the sam
31 except for perf script where it is --i
32
33 In addition, the period (default 10000
34 for instructions events can be specifi
35
36 i instructions
37 t ticks
38 ms milliseconds
39 us microseconds
40 ns nanoseconds (default)
41
42 Also the call chain size (default 16,
43 transactions events can be specified.
44
45 Also the number of last branch entries
46 instructions or transactions events ca
47
48 Similar to options g and l, size may a
49 On x86, note that G and L work poorly
50 large PEBS. Refer linkperf:perf-intel-
51
52 It is also possible to skip events gen
53 ptwrite, power) at the beginning. This
54
55 --itrace=i0nss1000000
56
57 skips the first million instructions.
58
59 The 'e' option may be followed by flag
60 will not be reported. Each flag must b
61 The flags are:
62 o overflow
63 l trace data lost
64
65 If supported, the 'd' option may be fo
66 debug messages will or will not be log
67 by either '+' or '-'. The flags are:
68 a all perf events
69 e output only on errors
70 o output to stdout
71
72 If supported, the 'q' option may be re
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