varun-r-mallya/sysprof
1
0
Fork 0
mirror of https://github.com/varun-r-mallya/sysprof.git synced 2025-12-31 20:36:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

libsysprof-profile: capture files using recording API

Browse Source
This commit is contained in:
Christian Hergert
2023-05-30 14:44:01 -07:00
parent 14f71c5eee
commit 4fe9339113
1 changed files with 4 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
src/libsysprof-profile/sysprof-linux-instrument.c
View File

@ -35,72 +35,17 @@ enum {
G_DEFINE_FINAL_TYPE (SysprofLinuxInstrument, sysprof_linux_instrument, SYSPROF_TYPE_INSTRUMENT)
static gboolean
sysprof_linux_instrument_capture_file (SysprofCaptureWriter *writer,
const char *path,
gboolean compress,
GError **error)
{
g_autoptr(GBytes) bytes = NULL;
g_autoptr(GFile) file = NULL;
const guint8 *data;
gsize len;
g_assert (writer != NULL);
g_assert (path != NULL);
file = g_file_new_for_path (path);
/* TODO: This needs to go through sysprofd instead */
if (!(bytes = dex_await_boxed (dex_file_load_contents_bytes (file), error)))
return FALSE;
/* TODO: Handle compression of files */
data = g_bytes_get_data (bytes, &len);
while (len > 0)
{
gsize to_write = MIN (len, 4096*8);
if (!sysprof_capture_writer_add_file (writer,
SYSPROF_CAPTURE_CURRENT_TIME,
-1,
-1,
path,
to_write == len,
data,
to_write))
break;
len -= to_write;
data += to_write;
}
return TRUE;
}
static DexFuture *
sysprof_linux_instrument_prepare_fiber (gpointer user_data)
{
SysprofRecording *recording = user_data;
SysprofCaptureWriter *writer;
g_assert (SYSPROF_IS_RECORDING (recording));
writer = _sysprof_recording_writer (recording);
/* Capture information about the system as we see it from the host system.
* We must query this via sysprofd so that our current process (which may
* have a different mount namespace) does not fall into the capture file.
*/
sysprof_linux_instrument_capture_file (writer, "/proc/cpuinfo", FALSE, NULL);
sysprof_linux_instrument_capture_file (writer, "/proc/mounts", FALSE, NULL);
sysprof_linux_instrument_capture_file (writer, "/proc/kallsyms", TRUE, NULL);
return dex_future_new_for_boolean (TRUE);
return dex_future_all (_sysprof_recording_add_file (recording, "/proc/kallsyms", TRUE),
_sysprof_recording_add_file (recording, "/proc/cpuinfo", TRUE),
_sysprof_recording_add_file (recording, "/proc/mounts", TRUE),
NULL);
}
static DexFuture *