Commit | Line | Data |
---|---|---|
897b8e23 | 1 | /* |
9d16b343 | 2 | * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca> |
897b8e23 | 3 | * |
9d16b343 | 4 | * SPDX-License-Identifier: GPL-2.0-only |
897b8e23 | 5 | * |
897b8e23 DG |
6 | */ |
7 | ||
897b8e23 | 8 | #include <assert.h> |
897b8e23 DG |
9 | #include <stdio.h> |
10 | #include <stdlib.h> | |
11 | #include <string.h> | |
12 | #include <unistd.h> | |
13 | #include <time.h> | |
14 | ||
edf4b93e | 15 | #include <common/compat/errno.h> |
10a8a223 | 16 | #include <bin/lttng-sessiond/trace-kernel.h> |
990570ed | 17 | #include <common/defaults.h> |
10a8a223 | 18 | |
23aaa19e | 19 | #include <tap/tap.h> |
897b8e23 | 20 | |
98612240 MD |
21 | #define RANDOM_STRING_LEN 11 |
22 | ||
23aaa19e | 23 | /* Number of TAP tests in this file */ |
1c0733db | 24 | #define NUM_TESTS 11 |
23aaa19e | 25 | |
897b8e23 DG |
26 | static const char alphanum[] = |
27 | "0123456789" | |
28 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
29 | "abcdefghijklmnopqrstuvwxyz"; | |
30 | ||
31 | static struct ltt_kernel_session *kern; | |
98612240 | 32 | static char random_string[RANDOM_STRING_LEN]; |
897b8e23 DG |
33 | |
34 | /* | |
35 | * Return random string of 10 characters. | |
98612240 | 36 | * Not thread-safe. |
897b8e23 DG |
37 | */ |
38 | static char *get_random_string(void) | |
39 | { | |
40 | int i; | |
897b8e23 | 41 | |
98612240 MD |
42 | for (i = 0; i < RANDOM_STRING_LEN - 1; i++) { |
43 | random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)]; | |
897b8e23 DG |
44 | } |
45 | ||
98612240 | 46 | random_string[RANDOM_STRING_LEN - 1] = '\0'; |
897b8e23 | 47 | |
98612240 | 48 | return random_string; |
897b8e23 DG |
49 | } |
50 | ||
23aaa19e | 51 | static void test_create_one_kernel_session(void) |
897b8e23 | 52 | { |
dec56f6c | 53 | kern = trace_kernel_create_session(); |
23aaa19e | 54 | ok(kern != NULL, "Create kernel session"); |
897b8e23 | 55 | |
84a7eb73 JR |
56 | if (!kern) { |
57 | skip(1, "Kernel session is null"); | |
58 | return; | |
59 | } | |
23aaa19e CB |
60 | ok(kern->fd == -1 && |
61 | kern->metadata_stream_fd == -1 && | |
62 | kern->consumer_fds_sent == 0 && | |
63 | kern->channel_count == 0 && | |
64 | kern->stream_count_global == 0 && | |
65 | kern->metadata == NULL, | |
66 | "Validate kernel session"); | |
897b8e23 DG |
67 | } |
68 | ||
23aaa19e | 69 | static void test_create_kernel_metadata(void) |
897b8e23 DG |
70 | { |
71 | assert(kern != NULL); | |
72 | ||
a4b92340 | 73 | kern->metadata = trace_kernel_create_metadata(); |
23aaa19e CB |
74 | ok(kern->metadata != NULL, "Create kernel metadata"); |
75 | ||
76 | ok(kern->metadata->fd == -1 && | |
77 | kern->metadata->conf != NULL && | |
78 | kern->metadata->conf->attr.overwrite | |
d42266a4 | 79 | == DEFAULT_METADATA_OVERWRITE && |
23aaa19e CB |
80 | kern->metadata->conf->attr.subbuf_size |
81 | == default_get_metadata_subbuf_size() && | |
82 | kern->metadata->conf->attr.num_subbuf | |
83 | == DEFAULT_METADATA_SUBBUF_NUM && | |
84 | kern->metadata->conf->attr.switch_timer_interval | |
d42266a4 | 85 | == DEFAULT_METADATA_SWITCH_TIMER && |
23aaa19e | 86 | kern->metadata->conf->attr.read_timer_interval |
d42266a4 | 87 | == DEFAULT_METADATA_READ_TIMER && |
23aaa19e | 88 | kern->metadata->conf->attr.output |
d42266a4 | 89 | == LTTNG_EVENT_MMAP, |
23aaa19e | 90 | "Validate kernel session metadata"); |
897b8e23 | 91 | |
3f43a221 | 92 | trace_kernel_destroy_metadata(kern->metadata); |
897b8e23 DG |
93 | } |
94 | ||
23aaa19e | 95 | static void test_create_kernel_channel(void) |
897b8e23 DG |
96 | { |
97 | struct ltt_kernel_channel *chan; | |
98 | struct lttng_channel attr; | |
63aaa3dc | 99 | struct lttng_channel_extended extended; |
897b8e23 | 100 | |
441c16a7 | 101 | memset(&attr, 0, sizeof(attr)); |
63aaa3dc JG |
102 | memset(&extended, 0, sizeof(extended)); |
103 | attr.attr.extended.ptr = &extended; | |
441c16a7 | 104 | |
fdd9eb17 | 105 | chan = trace_kernel_create_channel(&attr); |
23aaa19e | 106 | ok(chan != NULL, "Create kernel channel"); |
897b8e23 | 107 | |
84a7eb73 JR |
108 | if (!chan) { |
109 | skip(1, "Channel is null"); | |
110 | return; | |
111 | } | |
112 | ||
23aaa19e CB |
113 | ok(chan->fd == -1 && |
114 | chan->enabled == 1 && | |
115 | chan->stream_count == 0 && | |
23aaa19e CB |
116 | chan->channel->attr.overwrite == attr.attr.overwrite, |
117 | "Validate kernel channel"); | |
897b8e23 DG |
118 | |
119 | /* Init list in order to avoid sefaults from cds_list_del */ | |
120 | CDS_INIT_LIST_HEAD(&chan->list); | |
3f43a221 | 121 | trace_kernel_destroy_channel(chan); |
897b8e23 DG |
122 | } |
123 | ||
23aaa19e | 124 | static void test_create_kernel_event(void) |
897b8e23 | 125 | { |
71a3bb01 | 126 | enum lttng_error_code ret; |
897b8e23 DG |
127 | struct ltt_kernel_event *event; |
128 | struct lttng_event ev; | |
129 | ||
441c16a7 | 130 | memset(&ev, 0, sizeof(ev)); |
72265d8a | 131 | ok(!lttng_strncpy(ev.name, get_random_string(), |
5961b0b5 | 132 | RANDOM_STRING_LEN), |
1c0733db | 133 | "Validate string length"); |
897b8e23 | 134 | ev.type = LTTNG_EVENT_TRACEPOINT; |
441c16a7 | 135 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; |
897b8e23 | 136 | |
71a3bb01 FD |
137 | ret = trace_kernel_create_event(&ev, NULL, NULL, &event); |
138 | ok(ret == LTTNG_OK, "Create kernel event"); | |
897b8e23 | 139 | |
84a7eb73 JR |
140 | if (!event) { |
141 | skip(1, "Event is null"); | |
142 | return; | |
143 | } | |
144 | ||
23aaa19e CB |
145 | ok(event->fd == -1 && |
146 | event->enabled == 1 && | |
2d6bae7e | 147 | event->event->instrumentation == LTTNG_KERNEL_ABI_TRACEPOINT && |
23aaa19e CB |
148 | strlen(event->event->name), |
149 | "Validate kernel event"); | |
897b8e23 DG |
150 | |
151 | /* Init list in order to avoid sefaults from cds_list_del */ | |
152 | CDS_INIT_LIST_HEAD(&event->list); | |
3f43a221 | 153 | trace_kernel_destroy_event(event); |
897b8e23 DG |
154 | } |
155 | ||
23aaa19e | 156 | static void test_create_kernel_stream(void) |
897b8e23 DG |
157 | { |
158 | struct ltt_kernel_stream *stream; | |
159 | ||
00e2e675 | 160 | stream = trace_kernel_create_stream("stream1", 0); |
23aaa19e | 161 | ok(stream != NULL, "Create kernel stream"); |
897b8e23 | 162 | |
84a7eb73 JR |
163 | if (!stream) { |
164 | skip(1, "Stream is null"); | |
165 | return; | |
166 | } | |
167 | ||
23aaa19e CB |
168 | ok(stream->fd == -1 && |
169 | stream->state == 0, | |
170 | "Validate kernel stream"); | |
897b8e23 DG |
171 | |
172 | /* Init list in order to avoid sefaults from cds_list_del */ | |
173 | CDS_INIT_LIST_HEAD(&stream->list); | |
3f43a221 | 174 | trace_kernel_destroy_stream(stream); |
897b8e23 DG |
175 | } |
176 | ||
177 | int main(int argc, char **argv) | |
178 | { | |
23aaa19e | 179 | plan_tests(NUM_TESTS); |
897b8e23 | 180 | |
e3bef725 CB |
181 | diag("Kernel data structure unit test"); |
182 | ||
23aaa19e CB |
183 | test_create_one_kernel_session(); |
184 | test_create_kernel_metadata(); | |
185 | test_create_kernel_channel(); | |
186 | test_create_kernel_event(); | |
187 | test_create_kernel_stream(); | |
897b8e23 | 188 | |
674c3e2c | 189 | return exit_status(); |
897b8e23 | 190 | } |