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https://github.com/varun-r-mallya/sysprof.git
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104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/* list-maps.c
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*
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* Copyright 2021 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 "config.h"
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#include <sysprof.h>
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#include <glib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "sysprof-elf-symbol-resolver-private.h"
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static ino_t
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read_inode (const char *filename)
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{
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struct stat statbuf;
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if (filename == NULL)
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return (ino_t)-1;
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if (strcmp (filename, "[vdso]") == 0)
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return (ino_t)0;
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if (stat (filename, &statbuf) < 0)
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return (ino_t)-1;
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return statbuf.st_ino;
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}
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static void
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list_maps (const char *filename)
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{
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g_autoptr(SysprofCaptureReader) reader = NULL;
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g_autoptr(SysprofSymbolResolver) resolver = NULL;
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SysprofCaptureFrameType type;
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if (!(reader = sysprof_capture_reader_new (filename)))
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return;
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resolver = sysprof_elf_symbol_resolver_new ();
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sysprof_symbol_resolver_load (resolver, reader);
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sysprof_capture_reader_reset (reader);
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while (sysprof_capture_reader_peek_type (reader, &type))
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{
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if (type == SYSPROF_CAPTURE_FRAME_MAP)
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{
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const SysprofCaptureMap *ev = sysprof_capture_reader_read_map (reader);
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g_autofree char *resolved = _sysprof_elf_symbol_resolver_resolve_path (SYSPROF_ELF_SYMBOL_RESOLVER (resolver), ev->frame.pid, ev->filename);
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const char *kind = _sysprof_elf_symbol_resolver_get_pid_kind (SYSPROF_ELF_SYMBOL_RESOLVER (resolver), ev->frame.pid);
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ino_t inode = read_inode (resolved ? resolved : ev->filename);
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g_print ("PID %u (%s): ", ev->frame.pid, kind);
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g_print ("%s => %s", ev->filename, resolved ? resolved : ev->filename);
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if (inode == (ino_t)-1)
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g_print (" (missing)");
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else if (ev->inode != 0 && inode != ev->inode)
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g_print (" (Inode mismatch, expected %lu got %lu)",
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(gulong)ev->inode, (gulong)inode);
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g_print ("\n");
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}
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else
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{
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if (!sysprof_capture_reader_skip (reader))
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break;
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}
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}
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}
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int
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main (int argc,
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char *argv[])
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{
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if (argc == 1)
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{
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g_printerr ("usage: %s CAPTURE_FILE...\n", argv[0]);
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return 0;
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}
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for (guint i = 1; i < argc; i++)
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list_maps (argv[i]);
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return 0;
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}
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