Files
sysprof/src/libsysprof/sysprof-symbol-private.h
Christian Hergert 8f26c0037d libsysprof: sniff various forms of kernel process names
This is by no means perfect, but it gets the kernel tasks running on my
machine out of the profiles. We will no doubt need to add more in the
future, or find a way to record a flag for that in the capture format.
2023-08-28 15:03:53 -07:00

130 lines
3.4 KiB
C

/*
* sysprof-symbol-private.h
*
* Copyright 2023 Christian Hergert <chergert@redhat.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#pragma once
#include "sysprof-symbol.h"
G_BEGIN_DECLS
struct _SysprofSymbol
{
GObject parent_instance;
guint hash;
guint simple_hash;
GRefString *name;
GRefString *binary_path;
GRefString *binary_nick;
SysprofAddress begin_address;
SysprofAddress end_address;
guint kind : 3;
guint is_fallback : 1;
guint is_kernel_process : 1;
};
SysprofSymbol *_sysprof_symbol_new (GRefString *name,
GRefString *binary_path,
GRefString *binary_nick,
SysprofAddress begin_address,
SysprofAddress end_address,
SysprofSymbolKind kind);
static inline SysprofSymbol *
_sysprof_symbol_copy (SysprofSymbol *self)
{
SysprofSymbol *copy;
copy = _sysprof_symbol_new (self->name ? g_ref_string_acquire (self->name) : NULL,
self->binary_path ? g_ref_string_acquire (self->binary_path) : NULL,
self->binary_nick ? g_ref_string_acquire (self->binary_nick) : NULL,
self->begin_address,
self->end_address,
self->kind);
return copy;
}
static inline gboolean
_sysprof_symbol_equal (const SysprofSymbol *a,
const SysprofSymbol *b)
{
if (a == b)
return TRUE;
if (a->simple_hash != b->simple_hash)
return FALSE;
if (a->kind != b->kind)
return FALSE;
if (a->hash != b->hash)
{
/* Special case symbols w/o binary_path which can happen
* when we have symbols decoded from a bundled symbols.
*/
if (a->binary_path == NULL || b->binary_path == NULL)
return TRUE;
return FALSE;
}
return strcmp (a->name, b->name) == 0;
}
static inline gboolean
_sysprof_symbol_is_context_switch (SysprofSymbol *symbol)
{
return symbol->kind == SYSPROF_SYMBOL_KIND_CONTEXT_SWITCH;
}
static inline gboolean
_sysprof_symbol_is_system_library (SysprofSymbol *symbol)
{
switch (symbol->kind)
{
case SYSPROF_SYMBOL_KIND_ROOT:
case SYSPROF_SYMBOL_KIND_PROCESS:
case SYSPROF_SYMBOL_KIND_THREAD:
case SYSPROF_SYMBOL_KIND_CONTEXT_SWITCH:
case SYSPROF_SYMBOL_KIND_UNWINDABLE:
default:
return FALSE;
case SYSPROF_SYMBOL_KIND_KERNEL:
return TRUE;
case SYSPROF_SYMBOL_KIND_USER:
if (symbol->binary_nick != NULL)
return TRUE;
if (symbol->binary_path != NULL)
return !!strstr (symbol->binary_path, "/usr/");
return FALSE;
}
}
G_END_DECLS