linux-kernel - Re: [PATCH v2 6/6] perf tests: Enable tests disabled due to tracepoint parsing

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZypaM8PoTDQXS61s@x1>
Date: Tue, 5 Nov 2024 14:47:31 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Athira Jajeev <atrajeev@...ux.vnet.ibm.com>,
	James Clark <james.clark@...aro.org>,
	Dominique Martinet <asmadeus@...ewreck.org>,
	Yang Li <yang.lee@...ux.alibaba.com>,
	Colin Ian King <colin.i.king@...il.com>,
	Yang Jihong <yangjihong@...edance.com>,
	"Steinar H. Gunderson" <sesse@...gle.com>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Ilkka Koskinen <ilkka@...amperecomputing.com>,
	Ze Gao <zegao2021@...il.com>, Weilin Wang <weilin.wang@...el.com>,
	Ben Gainey <ben.gainey@....com>,
	zhaimingbing <zhaimingbing@...s.chinamobile.com>,
	Zixian Cai <fzczx123@...il.com>, Andi Kleen <ak@...ux.intel.com>,
	Paran Lee <p4ranlee@...il.com>,
	Thomas Falcon <thomas.falcon@...el.com>,
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
	"Steven Rostedt (Google)" <rostedt@...dmis.org>
Subject: Re: [PATCH v2 6/6] perf tests: Enable tests disabled due to
 tracepoint parsing

On Sat, Nov 02, 2024 at 09:54:00AM -0700, Ian Rogers wrote:
> Tracepoint parsing required libtraceevent but no longer does. Remove
> the Build logic and #ifdefs that caused the tests not to be run. Test
> code that directly uses libtraceevent is still guarded.

Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>

- Arnaldo

root@x1:~# perf check feature libtraceevent
         libtraceevent: [ OFF ]  # HAVE_LIBTRACEEVENT
root@x1:~# perf test openat
  2: Detect openat syscall event                                     : Ok
  3: Detect openat syscall event on all cpus                         : Ok
root@x1:~# perf test -vv openat
  2: Detect openat syscall event:
--- start ---
test child forked, pid 820095
------------------------------------------------------------
perf_event_attr:
Using CPUID GenuineIntel-6-BA-3
  type                             2 (tracepoint)
  size                             136
  config                           0x2e6 (syscalls:sys_enter_openat)
  { sample_period, sample_freq }   1
  sample_type                      TIME|CPU|PERIOD|RAW
------------------------------------------------------------
sys_perf_event_open: pid 820095  cpu -1  group_fd -1  flags 0x8 = 3
---- end(0) ----
  2: Detect openat syscall event                                     : Ok
  3: Detect openat syscall event on all cpus:
--- start ---
test child forked, pid 820096
------------------------------------------------------------
perf_event_attr:
Using CPUID GenuineIntel-6-BA-3
  type                             2 (tracepoint)
  size                             136
  config                           0x2e6 (syscalls:sys_enter_openat)
  { sample_period, sample_freq }   1
  sample_type                      TIME|CPU|PERIOD|RAW
------------------------------------------------------------
sys_perf_event_open: pid 820096  cpu 0  group_fd -1  flags 0x8 = 8
sys_perf_event_open: pid 820096  cpu 1  group_fd -1  flags 0x8 = 9
sys_perf_event_open: pid 820096  cpu 2  group_fd -1  flags 0x8 = 10
sys_perf_event_open: pid 820096  cpu 3  group_fd -1  flags 0x8 = 11
sys_perf_event_open: pid 820096  cpu 4  group_fd -1  flags 0x8 = 12
sys_perf_event_open: pid 820096  cpu 5  group_fd -1  flags 0x8 = 13
sys_perf_event_open: pid 820096  cpu 6  group_fd -1  flags 0x8 = 14
sys_perf_event_open: pid 820096  cpu 7  group_fd -1  flags 0x8 = 15
sys_perf_event_open: pid 820096  cpu 8  group_fd -1  flags 0x8 = 16
sys_perf_event_open: pid 820096  cpu 9  group_fd -1  flags 0x8 = 17
sys_perf_event_open: pid 820096  cpu 10  group_fd -1  flags 0x8 = 18
sys_perf_event_open: pid 820096  cpu 11  group_fd -1  flags 0x8 = 19
---- end(0) ----
  3: Detect openat syscall event on all cpus                         : Ok
root@x1:~#