mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-01 14:53:11 +01:00
Ian Rogers
4402869939
Switch from directly accessing the perf_cpu_map to using the appropriate libperf API when possible. Using the API simplifies the job of refactoring use of perf_cpu_map. Signed-off-by: Ian Rogers <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Alexey Bayduraev <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Andrew Morton <[email protected]> Cc: André Almeida <[email protected]> Cc: Andy Shevchenko <[email protected]> Cc: Darren Hart <[email protected]> Cc: Davidlohr Bueso <[email protected]> Cc: Dmitriy Vyukov <[email protected]> Cc: Eric Dumazet <[email protected]> Cc: German Gomez <[email protected]> Cc: James Clark <[email protected]> Cc: Jin Yao <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: John Garry <[email protected]> Cc: Kajol Jain <[email protected]> Cc: Kan Liang <[email protected]> Cc: Leo Yan <[email protected]> Cc: Madhavan Srinivasan <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Miaoqian Lin <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Riccardo Mancini <[email protected]> Cc: Shunsuke Nakamura <[email protected]> Cc: Song Liu <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Stephen Brennan <[email protected]> Cc: Steven Rostedt (VMware) <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Thomas Richter <[email protected]> Cc: Yury Norov <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/compiler.h>
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#include <linux/bitmap.h>
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#include <linux/kernel.h>
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#include <linux/zalloc.h>
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#include <perf/cpumap.h>
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#include <internal/cpumap.h>
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#include "debug.h"
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#include "env.h"
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#include "mem2node.h"
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#include "tests.h"
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static struct node {
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int node;
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const char *map;
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} test_nodes[] = {
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{ .node = 0, .map = "0" },
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{ .node = 1, .map = "1-2" },
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{ .node = 3, .map = "5-7,9" },
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};
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#define T TEST_ASSERT_VAL
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static unsigned long *get_bitmap(const char *str, int nbits)
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{
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struct perf_cpu_map *map = perf_cpu_map__new(str);
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unsigned long *bm = NULL;
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bm = bitmap_zalloc(nbits);
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if (map && bm) {
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struct perf_cpu cpu;
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int i;
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perf_cpu_map__for_each_cpu(cpu, i, map)
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set_bit(cpu.cpu, bm);
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}
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if (map)
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perf_cpu_map__put(map);
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else
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free(bm);
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return bm && map ? bm : NULL;
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}
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static int test__mem2node(struct test_suite *t __maybe_unused, int subtest __maybe_unused)
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{
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struct mem2node map;
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struct memory_node nodes[3];
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struct perf_env env = {
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.memory_nodes = (struct memory_node *) &nodes[0],
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.nr_memory_nodes = ARRAY_SIZE(nodes),
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.memory_bsize = 0x100,
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};
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(nodes); i++) {
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nodes[i].node = test_nodes[i].node;
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nodes[i].size = 10;
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T("failed: alloc bitmap",
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(nodes[i].set = get_bitmap(test_nodes[i].map, 10)));
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}
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T("failed: mem2node__init", !mem2node__init(&map, &env));
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T("failed: mem2node__node", 0 == mem2node__node(&map, 0x50));
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T("failed: mem2node__node", 1 == mem2node__node(&map, 0x100));
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T("failed: mem2node__node", 1 == mem2node__node(&map, 0x250));
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T("failed: mem2node__node", 3 == mem2node__node(&map, 0x500));
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T("failed: mem2node__node", 3 == mem2node__node(&map, 0x650));
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T("failed: mem2node__node", -1 == mem2node__node(&map, 0x450));
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T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050));
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for (i = 0; i < ARRAY_SIZE(nodes); i++)
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zfree(&nodes[i].set);
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mem2node__exit(&map);
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return 0;
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}
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DEFINE_SUITE("mem2node", mem2node);
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