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a84fd26ecbd2fee7b9d2eedb341e9be8bbbf387e
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142 Commits

Author SHA1 Message Date
Bartosz Taudul
97c519811c Capture context switch call stacks on Windows. 2021-11-12 12:22:29 +01:00
Bartosz Taudul
8b15cd049c Skip comparing known to be matching memory. 2021-10-30 01:26:31 +02:00
Bartosz Taudul
f2b0aadedc Return external names, instead of sending them. 
Note that the old function is still used by code, so this commit won't
compile.
 2021-10-22 22:20:30 +02:00
Bartosz Taudul
250ef2cf6e Change thread id size from 64 to 32 bits. 
Both Windows and Linux use 32-bit thread identifiers. MacOS has a 64-bit
counter, but in practice it will never overflow during profiling and no false
aliasing will happen.

These changes are only done client-side and in the network protocol. The
server still uses 64-bit thread identifiers, to enable virtual threads, etc.
 2021-10-08 00:42:52 +02:00
Bartosz Taudul
07bc665d8c Drop support for Cygwin. 2021-10-07 23:28:40 +02:00
Michal Ziulek
789328f73d Undo my previous change. 
-D_WIN32_WINNT=0x601 must be defined when building TracyClient.cpp for mingw-w64 on Windows. In that case definitions I've added are not needed.
 2021-09-17 11:34:40 +02:00
Michal Ziulek
ad97854f12 Fixed compile error when using zig cc. 2021-09-14 19:30:20 +02:00
Bartosz Taudul
7e1622083e Use monotonic raw clock for hardware sampling. 2021-06-19 13:40:31 +02:00
Bartosz Taudul
6d03b18d1c Don't filter out kernel frames on win32. 2021-06-15 01:40:21 +02:00
Bartosz Taudul
698e5f0210 Probe precise_ip for software sampling. 2021-06-13 01:21:09 +02:00
Bartosz Taudul
0a954fda87 Capture kernel frames on Linux. 
Garbage frames ("markers") have to be filtered out.
 2021-06-12 14:36:07 +02:00
Bartosz Taudul
ed50447f7a Use alias for s_ring[i]. 2021-06-12 13:13:53 +02:00
Bartosz Taudul
ca2130d56c Process all data available in ring buffers. 2021-06-10 02:07:29 +02:00
Bartosz Taudul
5b7cd06840 Don't init rpmalloc, if we know it has been done already. 2021-06-10 01:48:11 +02:00
Bartosz Taudul
2765be92fb Sample time for hardware samples. 2021-06-04 12:50:55 +02:00
Bartosz Taudul
1616411257 Use AVX2 to search in strings with 32-byte blocks. 2021-06-03 13:49:38 +02:00
Bartosz Taudul
348582d6e4 Search for string matches with 8-byte blocks. 2021-06-03 13:10:26 +02:00
Bartosz Taudul
f8bb24ed36 Search for a character in string in 8-byte blocks. 2021-06-03 12:47:00 +02:00
Bartosz Taudul
b79014f3ee Optimize parsing numbers. 
Don't read byte-by-byte, process data in 8-byte packets.
 2021-06-03 00:27:01 +02:00
Bartosz Taudul
cfb6d0d2ae Timestamp conversion might be temporarily unavailable. 2021-05-23 20:32:09 +02:00
Bartosz Taudul
233a0bb6d6 Set precise_ip to 0 for cache on Intel. 
Fuck knows how this is supposed to work. perf_event_open() opens the
descriptor successfully, but it produces no samples, if precise_ip is not 0.
There are no such problems on ARM (where precise_ip is 3, but maybe it is not
supported at all on that architecture, again, fuck knows if), and on AMD
perf_event_open() does not succeed when precise_ip > 0.
 2021-05-23 19:45:13 +02:00
Bartosz Taudul
b2d5fe8e1f Reduce sampling frequency. 2021-05-23 19:03:11 +02:00
Bartosz Taudul
b1e4d16537 PIDs are no longer needed in samples. 2021-05-23 19:00:45 +02:00
Bartosz Taudul
bbd1c4505c Restrict perf to return events only for the current PID. 2021-05-23 18:53:09 +02:00
Bartosz Taudul
4ad6f682c8 Exclude VM-related stuff. 2021-05-23 18:44:16 +02:00
Bartosz Taudul
fece23a32b Set frequency, not period. 
This enables sampling on ARM dev board.
 2021-05-23 18:02:06 +02:00
Bartosz Taudul
7d3119cbac Remove irrelevant flag. 2021-05-23 18:01:18 +02:00
Bartosz Taudul
34ca6d865e Sample branches and cache more frequently. 2021-05-22 02:28:32 +02:00
Bartosz Taudul
c7026cbc1f Reduce hw sample period. 2021-05-22 02:27:34 +02:00
Bartosz Taudul
089eda0be9 Precise_ip should be shared in each pair of counters. 2021-05-22 02:16:49 +02:00
Bartosz Taudul
8ec08465ee Add debug messages to perf event setup. 2021-05-21 01:47:45 +02:00
Bartosz Taudul
4d668741eb Probe for acceptable precise_ip value. 
This is stupid, but it's exactly what perf does... Sigh.
 2021-05-21 01:33:37 +02:00
Bartosz Taudul
bcb7b94272 Tid is not needed. 2021-05-20 02:39:22 +02:00
Bartosz Taudul
f0f3babacf Set correct message types. 2021-05-20 02:27:36 +02:00
Bartosz Taudul
5f3d1c0faf Sample cache and branch stats. 2021-05-20 02:15:23 +02:00
Bartosz Taudul
faf87809d7 Reduce hw sampling rate. 2021-05-20 01:48:52 +02:00
Bartosz Taudul
741de5c8fb Allow disabling cycle/retirement sampling. 2021-05-19 23:38:32 +02:00
Bartosz Taudul
2e38e70049 Reduce hardware sampling perdiod. Don't sample time. 2021-05-19 23:21:21 +02:00
Bartosz Taudul
101cdd9b4b Don't send thread id for hw samples. 2021-05-19 22:52:13 +02:00
Bartosz Taudul
7794443453 Collect CPU cycles and instruction retirement events. 2021-05-19 21:09:55 +02:00
Bartosz Taudul
16101571e0 Close perf_event file descriptor on exec. 2021-05-19 21:09:55 +02:00
Bartosz Taudul
9cd1b26bc7 Keep count of ring buffers separate from number of CPUs. 2021-05-19 21:09:55 +02:00
Bartosz Taudul
b7d52d2eab Store RingBuffer identifier. 2021-05-19 21:09:52 +02:00
Bartosz Taudul
42a272edf5 Allow control of sampling frequency. 2021-05-11 18:31:20 +02:00
Bartosz Taudul
a6c6943a6c Check if GetThreadDescription() is supported. 
This functionality is available since Win 10 1607.
 2021-05-04 16:13:42 +02:00
Bartosz Taudul
56f0bdd571 ARM doesn't follow x64 canonical address requirements. 2021-04-29 18:24:37 +02:00
Bartosz Taudul
505656df5a Trace frame count may be zero. 2021-04-29 18:24:37 +02:00
Bartosz Taudul
1a1df0229d Add missing include. 2020-12-26 14:48:31 +01:00
Bartosz Taudul
dab68b2f21 Manually initialize GUID structs. 2020-12-21 16:13:59 +01:00
Bartosz Taudul
063ad1f1d3 Check return value of EnableTraceEx2(). 2020-12-21 15:41:01 +01:00