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> |
e207fe73 | 18 | #include <lttng/ust-sigbus.h> |
10a8a223 | 19 | |
23aaa19e | 20 | #include <tap/tap.h> |
897b8e23 | 21 | |
98612240 MD |
22 | #define RANDOM_STRING_LEN 11 |
23 | ||
23aaa19e | 24 | /* Number of TAP tests in this file */ |
1c0733db | 25 | #define NUM_TESTS 11 |
23aaa19e | 26 | |
e207fe73 | 27 | DEFINE_LTTNG_UST_SIGBUS_STATE(); |
28 | ||
897b8e23 DG |
29 | static const char alphanum[] = |
30 | "0123456789" | |
31 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
32 | "abcdefghijklmnopqrstuvwxyz"; | |
33 | ||
34 | static struct ltt_kernel_session *kern; | |
98612240 | 35 | static char random_string[RANDOM_STRING_LEN]; |
897b8e23 DG |
36 | |
37 | /* | |
38 | * Return random string of 10 characters. | |
98612240 | 39 | * Not thread-safe. |
897b8e23 DG |
40 | */ |
41 | static char *get_random_string(void) | |
42 | { | |
43 | int i; | |
897b8e23 | 44 | |
98612240 MD |
45 | for (i = 0; i < RANDOM_STRING_LEN - 1; i++) { |
46 | random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)]; | |
897b8e23 DG |
47 | } |
48 | ||
98612240 | 49 | random_string[RANDOM_STRING_LEN - 1] = '\0'; |
897b8e23 | 50 | |
98612240 | 51 | return random_string; |
897b8e23 DG |
52 | } |
53 | ||
23aaa19e | 54 | static void test_create_one_kernel_session(void) |
897b8e23 | 55 | { |
dec56f6c | 56 | kern = trace_kernel_create_session(); |
23aaa19e | 57 | ok(kern != NULL, "Create kernel session"); |
897b8e23 | 58 | |
84a7eb73 JR |
59 | if (!kern) { |
60 | skip(1, "Kernel session is null"); | |
61 | return; | |
62 | } | |
23aaa19e CB |
63 | ok(kern->fd == -1 && |
64 | kern->metadata_stream_fd == -1 && | |
65 | kern->consumer_fds_sent == 0 && | |
66 | kern->channel_count == 0 && | |
67 | kern->stream_count_global == 0 && | |
68 | kern->metadata == NULL, | |
69 | "Validate kernel session"); | |
897b8e23 DG |
70 | } |
71 | ||
23aaa19e | 72 | static void test_create_kernel_metadata(void) |
897b8e23 DG |
73 | { |
74 | assert(kern != NULL); | |
75 | ||
a4b92340 | 76 | kern->metadata = trace_kernel_create_metadata(); |
23aaa19e CB |
77 | ok(kern->metadata != NULL, "Create kernel metadata"); |
78 | ||
79 | ok(kern->metadata->fd == -1 && | |
80 | kern->metadata->conf != NULL && | |
81 | kern->metadata->conf->attr.overwrite | |
d42266a4 | 82 | == DEFAULT_METADATA_OVERWRITE && |
23aaa19e CB |
83 | kern->metadata->conf->attr.subbuf_size |
84 | == default_get_metadata_subbuf_size() && | |
85 | kern->metadata->conf->attr.num_subbuf | |
86 | == DEFAULT_METADATA_SUBBUF_NUM && | |
87 | kern->metadata->conf->attr.switch_timer_interval | |
d42266a4 | 88 | == DEFAULT_METADATA_SWITCH_TIMER && |
23aaa19e | 89 | kern->metadata->conf->attr.read_timer_interval |
d42266a4 | 90 | == DEFAULT_METADATA_READ_TIMER && |
23aaa19e | 91 | kern->metadata->conf->attr.output |
d42266a4 | 92 | == LTTNG_EVENT_MMAP, |
23aaa19e | 93 | "Validate kernel session metadata"); |
897b8e23 | 94 | |
3f43a221 | 95 | trace_kernel_destroy_metadata(kern->metadata); |
897b8e23 DG |
96 | } |
97 | ||
23aaa19e | 98 | static void test_create_kernel_channel(void) |
897b8e23 DG |
99 | { |
100 | struct ltt_kernel_channel *chan; | |
101 | struct lttng_channel attr; | |
63aaa3dc | 102 | struct lttng_channel_extended extended; |
897b8e23 | 103 | |
441c16a7 | 104 | memset(&attr, 0, sizeof(attr)); |
63aaa3dc JG |
105 | memset(&extended, 0, sizeof(extended)); |
106 | attr.attr.extended.ptr = &extended; | |
441c16a7 | 107 | |
fdd9eb17 | 108 | chan = trace_kernel_create_channel(&attr); |
23aaa19e | 109 | ok(chan != NULL, "Create kernel channel"); |
897b8e23 | 110 | |
84a7eb73 JR |
111 | if (!chan) { |
112 | skip(1, "Channel is null"); | |
113 | return; | |
114 | } | |
115 | ||
23aaa19e CB |
116 | ok(chan->fd == -1 && |
117 | chan->enabled == 1 && | |
118 | chan->stream_count == 0 && | |
23aaa19e CB |
119 | chan->channel->attr.overwrite == attr.attr.overwrite, |
120 | "Validate kernel channel"); | |
897b8e23 DG |
121 | |
122 | /* Init list in order to avoid sefaults from cds_list_del */ | |
123 | CDS_INIT_LIST_HEAD(&chan->list); | |
3f43a221 | 124 | trace_kernel_destroy_channel(chan); |
897b8e23 DG |
125 | } |
126 | ||
23aaa19e | 127 | static void test_create_kernel_event(void) |
897b8e23 | 128 | { |
71a3bb01 | 129 | enum lttng_error_code ret; |
897b8e23 DG |
130 | struct ltt_kernel_event *event; |
131 | struct lttng_event ev; | |
132 | ||
441c16a7 | 133 | memset(&ev, 0, sizeof(ev)); |
72265d8a | 134 | ok(!lttng_strncpy(ev.name, get_random_string(), |
5961b0b5 | 135 | RANDOM_STRING_LEN), |
1c0733db | 136 | "Validate string length"); |
897b8e23 | 137 | ev.type = LTTNG_EVENT_TRACEPOINT; |
441c16a7 | 138 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; |
897b8e23 | 139 | |
71a3bb01 FD |
140 | ret = trace_kernel_create_event(&ev, NULL, NULL, &event); |
141 | ok(ret == LTTNG_OK, "Create kernel event"); | |
897b8e23 | 142 | |
84a7eb73 JR |
143 | if (!event) { |
144 | skip(1, "Event is null"); | |
145 | return; | |
146 | } | |
147 | ||
23aaa19e CB |
148 | ok(event->fd == -1 && |
149 | event->enabled == 1 && | |
b8e2fb80 | 150 | event->event->instrumentation == LTTNG_KERNEL_ABI_TRACEPOINT && |
23aaa19e CB |
151 | strlen(event->event->name), |
152 | "Validate kernel event"); | |
897b8e23 DG |
153 | |
154 | /* Init list in order to avoid sefaults from cds_list_del */ | |
155 | CDS_INIT_LIST_HEAD(&event->list); | |
3f43a221 | 156 | trace_kernel_destroy_event(event); |
897b8e23 DG |
157 | } |
158 | ||
23aaa19e | 159 | static void test_create_kernel_stream(void) |
897b8e23 DG |
160 | { |
161 | struct ltt_kernel_stream *stream; | |
162 | ||
00e2e675 | 163 | stream = trace_kernel_create_stream("stream1", 0); |
23aaa19e | 164 | ok(stream != NULL, "Create kernel stream"); |
897b8e23 | 165 | |
84a7eb73 JR |
166 | if (!stream) { |
167 | skip(1, "Stream is null"); | |
168 | return; | |
169 | } | |
170 | ||
23aaa19e CB |
171 | ok(stream->fd == -1 && |
172 | stream->state == 0, | |
173 | "Validate kernel stream"); | |
897b8e23 DG |
174 | |
175 | /* Init list in order to avoid sefaults from cds_list_del */ | |
176 | CDS_INIT_LIST_HEAD(&stream->list); | |
3f43a221 | 177 | trace_kernel_destroy_stream(stream); |
897b8e23 DG |
178 | } |
179 | ||
180 | int main(int argc, char **argv) | |
181 | { | |
23aaa19e | 182 | plan_tests(NUM_TESTS); |
897b8e23 | 183 | |
e3bef725 CB |
184 | diag("Kernel data structure unit test"); |
185 | ||
23aaa19e CB |
186 | test_create_one_kernel_session(); |
187 | test_create_kernel_metadata(); | |
188 | test_create_kernel_channel(); | |
189 | test_create_kernel_event(); | |
190 | test_create_kernel_stream(); | |
897b8e23 | 191 | |
674c3e2c | 192 | return exit_status(); |
897b8e23 | 193 | } |