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4
5#include <stdio.h>
6#include <stdint.h>
7#include <sys/queue.h>
8
9#include <rte_common.h>
10#include <rte_memory.h>
11#include <rte_per_lcore.h>
12#include <rte_launch.h>
13#include <rte_eal.h>
14#include <rte_lcore.h>
15#include <rte_cycles.h>
16
17#include "test.h"
18
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33
34
35static RTE_DEFINE_PER_LCORE(unsigned, test) = 0x12345678;
36
37static int
38assign_vars(__rte_unused void *arg)
39{
40 if (RTE_PER_LCORE(test) != 0x12345678)
41 return -1;
42 RTE_PER_LCORE(test) = rte_lcore_id();
43 return 0;
44}
45
46static int
47display_vars(__rte_unused void *arg)
48{
49 unsigned lcore_id = rte_lcore_id();
50 unsigned var = RTE_PER_LCORE(test);
51 unsigned socket_id = rte_lcore_to_socket_id(lcore_id);
52
53 printf("on socket %u, on core %u, variable is %u\n", socket_id, lcore_id, var);
54 if (lcore_id != var)
55 return -1;
56
57 RTE_PER_LCORE(test) = 0x12345678;
58 return 0;
59}
60
61static int
62test_per_lcore_delay(__rte_unused void *arg)
63{
64 rte_delay_ms(100);
65 printf("wait 100ms on lcore %u\n", rte_lcore_id());
66
67 return 0;
68}
69
70static int
71test_per_lcore(void)
72{
73 unsigned lcore_id;
74 int ret;
75
76 rte_eal_mp_remote_launch(assign_vars, NULL, SKIP_MAIN);
77 RTE_LCORE_FOREACH_WORKER(lcore_id) {
78 if (rte_eal_wait_lcore(lcore_id) < 0)
79 return -1;
80 }
81
82 rte_eal_mp_remote_launch(display_vars, NULL, SKIP_MAIN);
83 RTE_LCORE_FOREACH_WORKER(lcore_id) {
84 if (rte_eal_wait_lcore(lcore_id) < 0)
85 return -1;
86 }
87
88
89 ret = rte_eal_mp_remote_launch(test_per_lcore_delay, NULL, SKIP_MAIN);
90 if (ret < 0) {
91 printf("It fails to do remote launch but it should able to do\n");
92 return -1;
93 }
94
95 ret = rte_eal_mp_remote_launch(test_per_lcore_delay, NULL, SKIP_MAIN);
96 if (ret == 0) {
97 printf("It does remote launch successfully but it should not at this time\n");
98 return -1;
99 }
100 RTE_LCORE_FOREACH_WORKER(lcore_id) {
101 if (rte_eal_wait_lcore(lcore_id) < 0)
102 return -1;
103 }
104
105 return 0;
106}
107
108REGISTER_TEST_COMMAND(per_lcore_autotest, test_per_lcore);
109