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libsysprof-profiler: allow specifying test-profiler argv

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You can `./test-profiler -- ls -lsah` to profile a subprocess and have
the profiler exit when the subprocess exits.
This commit is contained in:
Christian Hergert
2023-06-02 16:50:41 -07:00
parent 02b1d571cc
commit 1a3facf6ff
1 changed files with 23 additions and 0 deletions
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23
src/libsysprof-profile/tests/test-profiler.c
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@ -19,6 +19,7 @@
*/
#include <glib-unix.h>
#include <glib/gstdio.h>
#include <sysprof-profile.h>
@ -95,6 +96,8 @@ main (int argc,
g_autoptr(SysprofProfiler) profiler = NULL;
g_autoptr(GError) error = NULL;
SysprofCaptureWriter *writer = NULL;
SysprofCaptureReader *reader = NULL;
g_autofd int trace_fd = -1;
main_loop = g_main_loop_new (NULL, FALSE);
@ -117,6 +120,19 @@ main (int argc,
sysprof_profiler_add_instrument (profiler, sysprof_disk_usage_new ());
sysprof_profiler_add_instrument (profiler, sysprof_network_usage_new ());
for (int i = 1; i < argc; i++)
{
if (strcmp (argv[i], "--") == 0 && i+1 < argc)
{
g_autoptr(SysprofSpawnable) spawnable = sysprof_spawnable_new ();
sysprof_spawnable_append_args (spawnable, (const char * const *)&argv[i+1]);
sysprof_profiler_set_spawnable (profiler, spawnable);
trace_fd = sysprof_spawnable_add_trace_fd (spawnable, NULL);
}
}
sysprof_profiler_record_async (profiler, writer, NULL, record_cb, NULL);
g_unix_signal_add (SIGINT, sigint_handler, main_loop);
@ -124,6 +140,13 @@ main (int argc,
g_main_loop_run (main_loop);
if (trace_fd != -1)
{
if ((reader = sysprof_capture_reader_new_from_fd (g_steal_fd (&trace_fd))))
sysprof_capture_writer_cat (writer, reader);
}
g_clear_pointer (&reader, sysprof_capture_reader_unref);
g_clear_pointer (&writer, sysprof_capture_writer_unref);
return 0;