Messages in this thread |  | | From | Ian Rogers <> | Date | Sat, 21 Jan 2023 09:53:53 -0800 | Subject | Re: [PATCH 00/10] perf symbols: Improve dso__synthesize_plt_symbols() |
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On Fri, Jan 20, 2023 at 4:35 AM Adrian Hunter <adrian.hunter@intel.com> wrote: > > Hi > > This is the first of 2 patchsets to improve dso__synthesize_plt_symbols(). > This patchset is really preparation for the 2nd patchset, which focuses > on getting rid of unknown symbols that show up in Intel PT traces. > The 2nd patchset is still under development. > > These patches are small and staightforward. Only the new Symbols test is > slightly interesting because it provides a way to see what symbols > perf discovers for any given dso. The test fails initially, but > should pass after patch 7 "perf symbols: Add symbol for .plt header". > > > Adrian Hunter (10): > perf test: Add Symbols test > perf symbols: Factor out get_plt_sizes() > perf symbols: Check plt_entry_size is not zero > perf symbols: Add dso__find_symbol_nocache() > perf symbols: Slightly simplify 'err' usage in dso__synthesize_plt_symbols() > perf symbols: Do not check ss->dynsym twice > perf symbols: Add symbol for .plt header > perf symbols: Allow for .plt entries with no symbol > perf symbols: Combine handling for SHT_RELA and SHT_REL > perf symbols: Check SHT_RELA and SHT_REL type earlier
Acked-by: Ian Rogers <irogers@google.com>
Thanks, Ian
> tools/perf/Documentation/perf-test.txt | 3 + > tools/perf/tests/Build | 1 + > tools/perf/tests/builtin-test.c | 3 + > tools/perf/tests/symbols.c | 150 ++++++++++++++++++++++++++ > tools/perf/tests/tests.h | 3 + > tools/perf/util/symbol-elf.c | 190 +++++++++++++++++---------------- > tools/perf/util/symbol.c | 5 + > tools/perf/util/symbol.h | 1 + > 8 files changed, 262 insertions(+), 94 deletions(-) > create mode 100644 tools/perf/tests/symbols.c > > > Regards > Adrian
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