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https://github.com/varun-r-mallya/sysprof.git
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e19d70bca0
Use `errno` instead, which is icky, but given that all of the failure modes are from POSIX I/O functions, it’s at least in keeping with them. This is a major API break. Signed-off-by: Philip Withnall <withnall@endlessm.com> Helps: #40
95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/* list-threads.c
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*
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* Copyright 2019 Christian Hergert <chergert@redhat.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include <fcntl.h>
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#include <stdlib.h>
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#include <glib.h>
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#include <sysprof-capture.h>
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#include <unistd.h>
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#include "../libsysprof/sysprof-capture-autocleanups.h"
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static bool
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foreach_cb (const SysprofCaptureFrame *frame,
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void *user_data)
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{
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const SysprofCaptureSample *sample = (SysprofCaptureSample *)frame;
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GHashTable *seen = user_data;
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if (!g_hash_table_contains (seen, GINT_TO_POINTER (sample->tid)))
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g_hash_table_insert (seen,
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GINT_TO_POINTER (sample->tid),
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GINT_TO_POINTER (frame->pid));
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return true;
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}
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gint
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main (gint argc,
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gchar *argv[])
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{
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static const SysprofCaptureFrameType types[] = {
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SYSPROF_CAPTURE_FRAME_SAMPLE,
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};
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g_autoptr(GHashTable) seen = NULL;
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g_autoptr(SysprofCaptureReader) reader = NULL;
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g_autoptr(SysprofCaptureCursor) cursor = NULL;
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if (argc != 2)
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{
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g_printerr ("usage: %s CAPTURE_FILE\n", argv[0]);
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return EXIT_FAILURE;
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}
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if (g_strcmp0 ("-", argv[1]) == 0)
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reader = sysprof_capture_reader_new_from_fd (dup (STDIN_FILENO));
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else
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reader = sysprof_capture_reader_new (argv[1]);
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if (reader == NULL)
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{
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g_printerr ("Failed to open %s capture\n", argv[1]);
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return EXIT_FAILURE;
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}
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seen = g_hash_table_new (NULL, NULL);
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cursor = sysprof_capture_cursor_new (reader);
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sysprof_capture_cursor_add_condition (cursor,
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sysprof_capture_condition_new_where_type_in (G_N_ELEMENTS (types), types));
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sysprof_capture_cursor_foreach (cursor, foreach_cb, seen);
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{
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GHashTableIter iter;
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gpointer k, v;
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g_hash_table_iter_init (&iter, seen);
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while (g_hash_table_iter_next (&iter, &k, &v))
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{
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g_print ("pid=%d tid=%d\n",
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GPOINTER_TO_INT (v),
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GPOINTER_TO_INT (k));
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}
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}
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return EXIT_SUCCESS;
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}
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