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https://github.com/varun-r-mallya/sysprof.git
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8f26c0037d
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.
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/* sysprof-process-info.c
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*
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* Copyright 2023 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-process-info-private.h"
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#include "sysprof-symbol-private.h"
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G_DEFINE_BOXED_TYPE (SysprofProcessInfo,
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sysprof_process_info,
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sysprof_process_info_ref,
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sysprof_process_info_unref)
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SysprofProcessInfo *
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sysprof_process_info_new (SysprofMountNamespace *mount_namespace,
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int pid)
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{
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SysprofProcessInfo *self;
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char pidstr[32];
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char symname[32];
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g_snprintf (symname, sizeof symname, "Process %d", pid);
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g_snprintf (pidstr, sizeof pidstr, "(%d)", pid);
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self = g_atomic_rc_box_new0 (SysprofProcessInfo);
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self->pid = pid;
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self->address_layout = sysprof_address_layout_new ();
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self->symbol_cache = sysprof_symbol_cache_new ();
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self->mount_namespace = mount_namespace;
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self->thread_ids = egg_bitset_new_empty ();
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self->fallback_symbol = _sysprof_symbol_new (g_ref_string_new (symname),
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NULL,
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g_ref_string_new (pidstr),
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0, 0,
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SYSPROF_SYMBOL_KIND_PROCESS);
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if (pid == 0)
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self->fallback_symbol->is_kernel_process = TRUE;
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if (pid > 0)
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egg_bitset_add (self->thread_ids, pid);
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return self;
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}
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SysprofProcessInfo *
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sysprof_process_info_ref (SysprofProcessInfo *self)
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{
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return g_atomic_rc_box_acquire (self);
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}
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static void
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sysprof_process_info_finalize (gpointer data)
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{
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SysprofProcessInfo *self = data;
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g_clear_object (&self->address_layout);
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g_clear_object (&self->symbol_cache);
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g_clear_object (&self->mount_namespace);
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g_clear_object (&self->fallback_symbol);
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g_clear_object (&self->shared_symbol);
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g_clear_object (&self->symbol);
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g_clear_pointer (&self->thread_ids, egg_bitset_unref);
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self->pid = 0;
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}
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void
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sysprof_process_info_unref (SysprofProcessInfo *self)
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{
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g_atomic_rc_box_release_full (self, sysprof_process_info_finalize);
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}
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