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https://github.com/varun-r-mallya/sysprof.git
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f7882d5c5f
This allows us to avoid the function call overhead for each of the instruction pointers in the stack trace. Instead let the interface handle the decoding of the whole set.
73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
/*
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* sysprof-document-traceable.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-document-traceable.h"
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G_DEFINE_INTERFACE (SysprofDocumentTraceable, sysprof_document_traceable, SYSPROF_TYPE_DOCUMENT_FRAME)
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static void
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sysprof_document_traceable_default_init (SysprofDocumentTraceableInterface *iface)
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{
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/**
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* SysprofDocumentTraceable:stack-depth:
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*
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* The "stack-depth" property contains the number of addresses collected
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* in the backtrace.
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*
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* You may use this value to retrieve the addresses from 0 to ("stack-depth"-1)
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* by calling sysprof_document_traceable_get_stack_address().
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*
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* Since: 45
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*/
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g_object_interface_install_property (iface,
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g_param_spec_uint ("stack-depth", NULL, NULL,
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0, G_MAXUINT16, 0,
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(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
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}
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guint
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sysprof_document_traceable_get_stack_depth (SysprofDocumentTraceable *self)
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{
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return SYSPROF_DOCUMENT_TRACEABLE_GET_IFACE (self)->get_stack_depth (self);
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}
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guint64
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sysprof_document_traceable_get_stack_address (SysprofDocumentTraceable *self,
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guint position)
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{
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return SYSPROF_DOCUMENT_TRACEABLE_GET_IFACE (self)->get_stack_address (self, position);
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}
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guint
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sysprof_document_traceable_get_stack_addresses (SysprofDocumentTraceable *self,
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guint64 *addresses,
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guint n_addresses)
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{
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g_return_val_if_fail (SYSPROF_IS_DOCUMENT_TRACEABLE (self), 0);
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if (addresses == NULL || n_addresses == 0)
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return 0;
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return SYSPROF_DOCUMENT_TRACEABLE_GET_IFACE (self)->get_stack_addresses (self, addresses, n_addresses);
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}
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