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libsysprof-analyze: allow specifying kallsyms path

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This is useful when opening an older capture which will not have embedded
the kallsyms content into the capture.
This commit is contained in:
Christian Hergert
2023-05-19 17:28:11 -07:00
parent eb7e4c8224
commit 15acac7e2e
1 changed files with 14 additions and 3 deletions
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15
src/libsysprof-analyze/tests/test-symbolize.c
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@ -8,10 +8,12 @@ static GMainLoop *main_loop;
static gboolean silent; static gboolean silent;
static gboolean no_bundled; static gboolean no_bundled;
static char **debug_dirs; static char **debug_dirs;
static char *kallsyms_path;
static const GOptionEntry entries[] = { static const GOptionEntry entries[] = {
{ "no-bundled", 'b', 0, G_OPTION_ARG_NONE, &no_bundled, "Ignore symbols bundled in capture file" }, { "no-bundled", 'b', 0, G_OPTION_ARG_NONE, &no_bundled, "Ignore symbols bundled in capture file" },
{ "silent", 's', 0, G_OPTION_ARG_NONE, &silent, "Do not print symbol information" }, { "silent", 's', 0, G_OPTION_ARG_NONE, &silent, "Do not print symbol information" },
{ "debug-dir", 'd', 0, G_OPTION_ARG_STRING_ARRAY, &debug_dirs, "Specify external debug directory, may be repeated" }, { "debug-dir", 'd', 0, G_OPTION_ARG_FILENAME_ARRAY, &debug_dirs, "Specify external debug directory, may be repeated" },
{ "kallsyms", 'k', 0, G_OPTION_ARG_FILENAME, &kallsyms_path, "Specify path to kallsyms for kernel symbolizing" },
{ 0 } { 0 }
}; };
@ -138,16 +140,25 @@ main (int argc,
loader = sysprof_document_loader_new (argv[1]); loader = sysprof_document_loader_new (argv[1]);
if (no_bundled || (debug_dirs && g_strv_length (debug_dirs) > 0)) if (TRUE)
{ {
g_autoptr(SysprofMultiSymbolizer) multi = sysprof_multi_symbolizer_new (); g_autoptr(SysprofMultiSymbolizer) multi = sysprof_multi_symbolizer_new ();
SysprofSymbolizer *elf = sysprof_elf_symbolizer_new (); SysprofSymbolizer *elf = sysprof_elf_symbolizer_new ();
g_autoptr(GFile) kallsyms_file = kallsyms_path ? g_file_new_for_path (kallsyms_path) : NULL;
GFileInputStream *kallsyms_stream = kallsyms_file ? g_file_read (kallsyms_file, NULL, NULL) : NULL;
if (debug_dirs) if (debug_dirs)
sysprof_elf_symbolizer_set_external_debug_dirs (SYSPROF_ELF_SYMBOLIZER (elf), sysprof_elf_symbolizer_set_external_debug_dirs (SYSPROF_ELF_SYMBOLIZER (elf),
(const char * const *)debug_dirs); (const char * const *)debug_dirs);
if (!no_bundled)
sysprof_multi_symbolizer_take (multi, sysprof_bundled_symbolizer_new ());
if (kallsyms_stream == NULL)
sysprof_multi_symbolizer_take (multi, sysprof_kallsyms_symbolizer_new ()); sysprof_multi_symbolizer_take (multi, sysprof_kallsyms_symbolizer_new ());
else
sysprof_multi_symbolizer_take (multi, sysprof_kallsyms_symbolizer_new_for_symbols (G_INPUT_STREAM (kallsyms_stream)));
sysprof_multi_symbolizer_take (multi, elf); sysprof_multi_symbolizer_take (multi, elf);
sysprof_multi_symbolizer_take (multi, sysprof_jitmap_symbolizer_new ()); sysprof_multi_symbolizer_take (multi, sysprof_jitmap_symbolizer_new ());