varun-r-mallya/sysprof
1
0
Fork 0
mirror of https://github.com/varun-r-mallya/sysprof.git synced 2025-12-31 20:36:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

libsysprof: add helper to list functions by sample hits

Browse Source
This commit is contained in:
Christian Hergert
2023-08-30 12:47:09 -07:00
parent 85e085b975
commit fa8858ebcf
2 changed files with 156 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
src/libsysprof/tests/meson.build
View File

@ -11,27 +11,28 @@ libsysprof_testsuite_c_args = [
]
libsysprof_testsuite = {
'read-build-id' : {'skip': true},
'ninja-to-marks' : {'skip': true},
'test-allocs-by-func' : {'skip': true},
'test-callgraph' : {'skip': true},
'test-capture-model' : {'skip': true},
'test-elf-loader' : {'skip': true},
'test-leak-detector' : {'skip': true},
'test-list-counters' : {'skip': true},
'test-list-cpu' : {'skip': true},
'test-list-files' : {'skip': true},
'test-list-jitmap' : {'skip': true},
'test-list-overlays' : {'skip': true},
'test-maps-parser' : {'skip': true},
'test-mark-catalog' : {'skip': true},
'test-print-file' : {'skip': true},
'test-profiler' : {'skip': true},
'test-list-processes' : {'skip': true},
'test-list-address-layout' : {'skip': true},
'test-symbolize' : {'skip': true},
'test-strings' : {},
'test-symbol-cache' : {},
'read-build-id' : {'skip': true},
'ninja-to-marks' : {'skip': true},
'test-allocs-by-func' : {'skip': true},
'test-callgraph' : {'skip': true},
'test-capture-model' : {'skip': true},
'test-elf-loader' : {'skip': true},
'test-leak-detector' : {'skip': true},
'test-list-counters' : {'skip': true},
'test-list-cpu' : {'skip': true},
'test-list-files' : {'skip': true},
'test-list-functions-by-weight' : {'skip': true},
'test-list-jitmap' : {'skip': true},
'test-list-overlays' : {'skip': true},
'test-maps-parser' : {'skip': true},
'test-mark-catalog' : {'skip': true},
'test-print-file' : {'skip': true},
'test-profiler' : {'skip': true},
'test-list-processes' : {'skip': true},
'test-list-address-layout' : {'skip': true},
'test-symbolize' : {'skip': true},
'test-strings' : {},
'test-symbol-cache' : {},
}
libsysprof_testsuite_deps = [

134
src/libsysprof/tests/test-list-functions-by-weight.c Normal file
View File

@ -0,0 +1,134 @@
/* test-list-functions-by-weight.c
*
* 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
*/
#include "config.h"
#include <sysprof.h>
#include "sysprof-callgraph-private.h"
typedef struct _Augment
{
guint64 count;
} Augment;
static gboolean
seen_symbol (const SysprofCallgraphNode *node,
const SysprofCallgraphNode *toplevel)
{
for (const SysprofCallgraphNode *iter = toplevel;
iter != node;
iter = iter->parent)
if (iter->summary == node->summary)
return TRUE;
return FALSE;
}
static void
augment_cb (SysprofCallgraph *callgraph,
SysprofCallgraphNode *node,
SysprofDocumentFrame *frame,
gboolean summarize,
gpointer user_data)
{
Augment *aug = sysprof_callgraph_get_summary_augment (callgraph, node);
aug->count++;
for (SysprofCallgraphNode *iter = node->parent; iter; iter = iter->parent)
{
if (!seen_symbol (iter, node))
{
aug = sysprof_callgraph_get_summary_augment (callgraph, iter);
aug->count++;
}
}
}
static void
callgraph_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
SysprofDocument *document = SYSPROF_DOCUMENT (object);
GMainLoop *main_loop = user_data;
g_autoptr(GError) error = NULL;
g_autoptr(SysprofCallgraph) callgraph = sysprof_document_callgraph_finish (document, result, &error);
g_autoptr(GListModel) symbols = NULL;
guint n_items;
g_assert_no_error (error);
g_assert_true (SYSPROF_IS_CALLGRAPH (callgraph));
symbols = sysprof_callgraph_list_symbols (callgraph);
n_items = g_list_model_get_n_items (symbols);
for (guint i = 0; i < n_items; i++)
{
g_autoptr(SysprofCallgraphSymbol) symbol = g_list_model_get_item (symbols, i);
Augment *aug = sysprof_callgraph_symbol_get_summary_augment (symbol);
const char *name = sysprof_symbol_get_name (sysprof_callgraph_symbol_get_symbol (symbol));
g_print ("%6"G_GINT64_FORMAT": %s\n", aug->count, name);
}
g_main_loop_quit (main_loop);
}
int
main (int argc,
char *argv[])
{
g_autoptr(GOptionContext) context = g_option_context_new ("- list functions sorted by weight");
g_autoptr(GMainLoop) main_loop = g_main_loop_new (NULL, FALSE);
g_autoptr(SysprofDocumentLoader) loader = NULL;
g_autoptr(SysprofDocument) document = NULL;
g_autoptr(GListModel) samples = NULL;
g_autoptr(GError) error = NULL;
SysprofCallgraphFlags flags = 0;
if (!g_option_context_parse (context, &argc, &argv, &error))
g_error ("%s", error->message);
if (argc < 2)
{
g_printerr ("usage: %s CAPTURE_FILE", argv[0]);
return 1;
}
loader = sysprof_document_loader_new (argv[1]);
if (!(document = sysprof_document_loader_load (loader, NULL, &error)))
g_error ("Failed to load document: %s", error->message);
samples = sysprof_document_list_samples (document);
sysprof_document_callgraph_async (document,
flags,
samples,
sizeof (Augment),
augment_cb, NULL, NULL,
NULL,
callgraph_cb,
main_loop);
g_main_loop_run (main_loop);
return 0;
}