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Author SHA1 Message Date
Ian Rogers 07f2b1287c perf test demangle-java: Don't segv if demangling fails 
The buffer returned by dso__demangle_sym() may be NULL, don't segv in
strcmp if this happens.

Currently this happens for NO_LIBELF=1 builds.

Signed-off-by: Ian Rogers <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alex Gaynor <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Alice Ryhl <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Andreas Hindborg <[email protected]>
Cc: Benno Lossin <[email protected]>
Cc: Björn Roy Baron <[email protected]>
Cc: Boqun Feng <[email protected]>
Cc: Danilo Krummrich <[email protected]>
Cc: Dmitriy Vyukov <[email protected]>
Cc: Gary Guo <[email protected]>
Cc: Howard Chu <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: James Clark <[email protected]>
Cc: Jiapeng Chong <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Miguel Ojeda <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephen Brennan <[email protected]>
Cc: Trevor Gross <[email protected]>
Cc: Weilin Wang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
 2025-05-28 10:12:47 -03:00
Ian Rogers 41fcc9a343 perf test demangle-java: Switch to using dso__demangle_sym() 
The use of the demangle-java APIs means we don't detect if a different
demangler is used before the Java one for the case that matters to
perf.

Remove the return types from the demangled names as dso__demangle_sym()
removes those.

Signed-off-by: Ian Rogers <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alex Gaynor <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Alice Ryhl <[email protected]>
Cc: Andreas Hindborg <[email protected]>
Cc: Ariel Ben-Yehuda <[email protected]>
Cc: Benno Lossin <[email protected]>
Cc: Bill Wendling <[email protected]>
Cc: Björn Roy Baron <[email protected]>
Cc: Boqun Feng <[email protected]>
Cc: Daniel Xu <[email protected]>
Cc: Danilo Krummrich <[email protected]>
Cc: Gary Guo <[email protected]>
Cc: Howard Chu <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: James Clark <[email protected]>
Cc: Jiapeng Chong <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Justin Stitt <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Masami Hiramatsu <[email protected]>
Cc: Miguel Ojeda <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Nathan Chancellor <[email protected]>
Cc: Nick Desaulniers <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ravi Bangoria <[email protected]>
Cc: Stephen Brennan <[email protected]>
Cc: Trevor Gross <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
 2025-05-09 17:02:23 -03:00
Jiapeng Chong 9865f0a209 perf test: Use ARRAY_SIZE for array length 
Use of macro ARRAY_SIZE to calculate array size minimizes
the redundant code and improves code reusability.

  ./tools/perf/tests/demangle-java-test.c:31:34-35: WARNING: Use ARRAY_SIZE.

Reported-by: Abaci Robot <[email protected]>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=11173
Signed-off-by: Jiapeng Chong <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Namhyung Kim <[email protected]>
 2024-09-30 12:59:42 -07:00
Ian Rogers 33f44bfd3c perf test: Rename struct test to test_suite 
This is to align with kunit's terminology.

Signed-off-by: Ian Rogers <[email protected]>
Tested-by: Sohaib Mohamed <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Brendan Higgins <[email protected]>
Cc: Daniel Latypov <[email protected]>
Cc: David Gow <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jin Yao <[email protected]>
Cc: John Garry <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Clarke <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
 2021-11-13 10:32:22 -03:00
Ian Rogers d68f036508 perf test: Move each test suite struct to its test 
Rather than export test functions, export the test struct. Rename with a
suite__ prefix to avoid name collisions.

Committer notes:

Its '&suite__vectors_page', not '&suite__vectors_pages', noticed when
cross building to arm (32-bit).

Signed-off-by: Ian Rogers <[email protected]>
Tested-by: Sohaib Mohamed <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Brendan Higgins <[email protected]>
Cc: Daniel Latypov <[email protected]>
Cc: David Gow <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jin Yao <[email protected]>
Cc: John Garry <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Clarke <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
 2021-11-13 10:30:58 -03:00
Nick Gasson 525c821de0 perf tests: Add test for the java demangler 
Split from a larger patch that was also fixing a problem with the java
demangler, so, before applying that patch we see:

  $ perf test java
  65: Demangle Java                                         : FAILED!
  $ perf test -v java
  65: Demangle Java                                         :
  --- start ---
  test child forked, pid 307264
  FAILED: Ljava/lang/StringLatin1;equals([B[B)Z: bool class java.lang.StringLatin1.equals(byte[], byte[]) != boolean java.lang.StringLatin1.equals(byte[], byte[])
  FAILED: Ljava/util/zip/ZipUtils;CENSIZ([BI)J: long class java.util.zip.ZipUtils.CENSIZ(byte[], int) != long java.util.zip.ZipUtils.CENSIZ(byte[], int)
  FAILED: Ljava/util/regex/Pattern$BmpCharProperty;match(Ljava/util/regex/Matcher;ILjava/lang/CharSequence;)Z: bool class java.util.regex.Pattern$BmpCharProperty.match(class java.util.regex.Matcher., int, class java.lang., charhar, shortequence) != boolean java.util.regex.Pattern$BmpCharProperty.match(java.util.regex.Matcher, int, java.lang.CharSequence)
  FAILED: Ljava/lang/AbstractStringBuilder;appendChars(Ljava/lang/String;II)V: void class java.lang.AbstractStringBuilder.appendChars(class java.lang., shorttring., int, int) != void java.lang.AbstractStringBuilder.appendChars(java.lang.String, int, int)
  FAILED: Ljava/lang/Object;<init>()V: void class java.lang.Object<init>() != void java.lang.Object<init>()
  test child finished with -1
  ---- end ----
  Demangle Java: FAILED!
  $

Next patch should fix this.

Signed-off-by: Nick Gasson <[email protected]>
Reviewed-by: Ian Rogers <[email protected]>
Tested-by: Arnaldo Carvalho de Melo <[email protected]>
Tested-by: Ian Rogers <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
 2020-05-28 10:03:28 -03:00