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authorAdrian Dudau <adrian.dudau@enea.com>2014-06-26 11:48:23 (GMT)
committerAdrian Dudau <adrian.dudau@enea.com>2014-06-26 11:48:23 (GMT)
commit1b6242fc583a6b871304fb995af6dc211b58f69b (patch)
treeb5d434d90dedae24792906aa304897c23a134386 /recipes-core/numad/numad-0.6/test.patch
downloadmeta-ip-daisy-enea.tar.gz
initial commit for Enea Linux 4.0daisy-enea
Migrated from the internal git server on the daisy-enea branch Signed-off-by: Adrian Dudau <adrian.dudau@enea.com>
Diffstat (limited to 'recipes-core/numad/numad-0.6/test.patch')
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1 files changed, 175 insertions, 0 deletions
diff --git a/recipes-core/numad/numad-0.6/test.patch b/recipes-core/numad/numad-0.6/test.patch
new file mode 100644
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1Test output format: ptest style (PASS, FAIL, SKIP)
2Description: Allocate memory from a node other than
3the current CPU is running on. Wait for numad to modify
4memory and CPU policy binding the process to run and allocate on
5the same node.
6Dependencies: libnuma
7
8Signed-off-by: Radu Patriu <radu.patriu@enea.com>
9Upstream-Status: Pending
10
11Index: numa-test/test.c
12===================================================================
13--- /dev/null 1970-01-01 00:00:00.000000000 +0000
14+++ numa-test/test.c 2014-02-18 17:22:49.952290472 +0200
15@@ -0,0 +1,160 @@
16+#define _GNU_SOURCE
17+#include <sched.h>
18+#include <stdio.h>
19+#include <unistd.h>
20+#include <ctype.h>
21+#include <sys/time.h>
22+#include <sched.h>
23+#include <numa.h>
24+
25+#define TIMEOUT (1000 * 60) /*60 seconds*/
26+#define LOOP_TIME (1000 * 5) /*5 seconds*/
27+#define MEM_POLICY_CHANGED 1
28+#define NODE_POLICY_CHANGED 2
29+#define TEST_DONE (MEM_POLICY_CHANGED | NODE_POLICY_CHANGED)
30+
31+#define TEST_PASS 0
32+#define TEST_FAIL 1
33+#define TEST_SKIP 2
34+
35+#define MEM_SIZE 0.3 /* 30 % node memory */
36+
37+unsigned int numa_bitmask_weight(const struct bitmask *bmp);
38+
39+void print_bitmask(struct bitmask *mask)
40+{
41+ /*assume 32 max nodes*/
42+ printf("0x%08lx", *(mask->maskp));
43+}
44+
45+int test()
46+{
47+ int i, j, total_nodes, total_mem_nodes, total_cpus, prefered_node;
48+ struct bitmask *allowed_mem_nodes, *allowed_nodes, *cpu_mask, *mem_bind, *bit_mask;
49+ long long mem_size, page_size;
50+ unsigned char *mem;
51+ struct timeval start, end, res;
52+ int local_node, local_cpu, other_node, test_complete;
53+
54+ allowed_mem_nodes = numa_allocate_nodemask();
55+ allowed_nodes = numa_allocate_nodemask();
56+ mem_bind = numa_allocate_nodemask();
57+ cpu_mask = numa_allocate_cpumask();
58+ if (!(allowed_mem_nodes && allowed_nodes && mem_bind && cpu_mask)) {
59+ printf("Error: numa_allocate failed\n");
60+ return TEST_FAIL;
61+ }
62+
63+ total_nodes = numa_max_node() + 1;
64+ printf("total_nodes %d\n", total_nodes);
65+
66+ total_mem_nodes = numa_num_configured_nodes();
67+ printf("total_mem_nodes %d\n", total_mem_nodes);
68+
69+ total_cpus = numa_num_configured_cpus();
70+ printf("total_cpus %d\n", total_cpus);
71+
72+ page_size = numa_pagesize();
73+ printf("page_size %llu\n", page_size);
74+
75+ i = 0;
76+ test_complete = 0;
77+ gettimeofday(&start, NULL);
78+ do {
79+ printf("\n\n\nLoop %d\n", i);
80+
81+ bit_mask = numa_get_mems_allowed();
82+ if (i && !numa_bitmask_equal(bit_mask, allowed_mem_nodes)) {
83+ printf("\nInfo: memory policy modified\n\n");
84+ test_complete |= MEM_POLICY_CHANGED;
85+ }
86+ copy_bitmask_to_bitmask(bit_mask, allowed_mem_nodes);
87+ printf("allowed_mem_nodes "); print_bitmask(allowed_mem_nodes); printf("\n");
88+ if ((0 == i) && (1 == numa_bitmask_weight(allowed_mem_nodes))) {
89+ printf("Error: need at least two memory nodes\n");
90+ return TEST_SKIP;
91+ }
92+
93+ bit_mask = numa_get_run_node_mask();
94+ if (i && !numa_bitmask_equal(bit_mask, allowed_nodes)) {
95+ printf("\nInfo: node/cpu policy modified\n\n");
96+ test_complete |= NODE_POLICY_CHANGED;
97+ }
98+ copy_bitmask_to_bitmask(bit_mask, allowed_nodes);
99+ printf("allowed_nodes "); print_bitmask(allowed_nodes); printf("\n");
100+
101+ prefered_node = numa_preferred();
102+ printf("prefered_node %d\n", prefered_node);
103+
104+ bit_mask = numa_get_membind();
105+ copy_bitmask_to_bitmask(bit_mask, mem_bind);
106+ printf("mem_bind "); print_bitmask(mem_bind); printf("\n");
107+
108+ if (numa_sched_getaffinity(0, cpu_mask) < 0) {
109+ printf("Error: numa_sched_getaffinity failed\n");
110+ return TEST_FAIL;
111+ }
112+ printf("sched_affinity "); print_bitmask(cpu_mask); printf("\n");
113+
114+ other_node = -1;
115+ local_cpu = sched_getcpu();
116+ local_node = numa_node_of_cpu(local_cpu);
117+ for (j = 0; j < total_mem_nodes; ++j)
118+ if (numa_bitmask_isbitset(allowed_mem_nodes, j) && (j != local_node))
119+ other_node = j;
120+
121+ printf("running on node %d, cpu %d\n", local_node, local_cpu);
122+ printf("alloc memory from node %d\n", other_node);
123+
124+ mem_size = numa_node_size64(other_node, NULL) * MEM_SIZE;
125+ printf("test_mem_size %llu\n", mem_size);
126+
127+ /* avoid mbind: Invalid argument */
128+ if (TEST_DONE == test_complete)
129+ return TEST_PASS;
130+
131+ mem = numa_alloc_onnode(mem_size, other_node);
132+ if (!mem) {
133+ printf("Error: numa_alloc_onnode failed for node %d\n", other_node);
134+ return TEST_FAIL;
135+ }
136+
137+ gettimeofday(&end, NULL);
138+ /* do some work */
139+ do {
140+ struct timeval now;
141+ memcpy(mem, mem + mem_size/2, mem_size/2);
142+ gettimeofday(&now, NULL);
143+ timersub(&now, &end, &res);
144+ } while((res.tv_sec * 1000 + res.tv_usec / 1000) < LOOP_TIME);
145+
146+ numa_free(mem, mem_size);
147+ ++i;
148+ gettimeofday(&end, NULL);
149+ timersub(&end, &start, &res);
150+ } while((res.tv_sec * 1000 + res.tv_usec / 1000) < TIMEOUT);
151+
152+ return TEST_FAIL;
153+}
154+
155+int main()
156+{
157+ if (numa_available() < 0) {
158+ printf("Error: numa not available\n");
159+ printf("SKIP: numad\n");
160+ return 0;
161+ }
162+
163+ switch(test()) {
164+ case TEST_PASS:
165+ printf("PASS: numad\n");
166+ break;
167+ case TEST_SKIP:
168+ printf("FAIL: numad\n");
169+ break;
170+ default:
171+ printf("FAIL: numad\n");
172+ }
173+
174+ return 0;
175+}