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 DG |
8 | #include <assert.h> |
9 | #include <errno.h> | |
10 | #include <stdio.h> | |
11 | #include <stdlib.h> | |
12 | #include <string.h> | |
13 | #include <unistd.h> | |
14 | #include <time.h> | |
15 | ||
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 | |
ad7c9c18 | 26 | /* For error.h */ |
97e19046 DG |
27 | int lttng_opt_quiet = 1; |
28 | int lttng_opt_verbose; | |
c7e35b03 | 29 | int lttng_opt_mi; |
7972aab2 | 30 | |
897b8e23 DG |
31 | static const char alphanum[] = |
32 | "0123456789" | |
33 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
34 | "abcdefghijklmnopqrstuvwxyz"; | |
35 | ||
36 | static struct ltt_kernel_session *kern; | |
98612240 | 37 | static char random_string[RANDOM_STRING_LEN]; |
897b8e23 DG |
38 | |
39 | /* | |
40 | * Return random string of 10 characters. | |
98612240 | 41 | * Not thread-safe. |
897b8e23 DG |
42 | */ |
43 | static char *get_random_string(void) | |
44 | { | |
45 | int i; | |
897b8e23 | 46 | |
98612240 MD |
47 | for (i = 0; i < RANDOM_STRING_LEN - 1; i++) { |
48 | random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)]; | |
897b8e23 DG |
49 | } |
50 | ||
98612240 | 51 | random_string[RANDOM_STRING_LEN - 1] = '\0'; |
897b8e23 | 52 | |
98612240 | 53 | return random_string; |
897b8e23 DG |
54 | } |
55 | ||
23aaa19e | 56 | static void test_create_one_kernel_session(void) |
897b8e23 | 57 | { |
dec56f6c | 58 | kern = trace_kernel_create_session(); |
23aaa19e | 59 | ok(kern != NULL, "Create kernel session"); |
897b8e23 | 60 | |
84a7eb73 JR |
61 | if (!kern) { |
62 | skip(1, "Kernel session is null"); | |
63 | return; | |
64 | } | |
23aaa19e CB |
65 | ok(kern->fd == -1 && |
66 | kern->metadata_stream_fd == -1 && | |
67 | kern->consumer_fds_sent == 0 && | |
68 | kern->channel_count == 0 && | |
69 | kern->stream_count_global == 0 && | |
70 | kern->metadata == NULL, | |
71 | "Validate kernel session"); | |
897b8e23 DG |
72 | } |
73 | ||
23aaa19e | 74 | static void test_create_kernel_metadata(void) |
897b8e23 DG |
75 | { |
76 | assert(kern != NULL); | |
77 | ||
a4b92340 | 78 | kern->metadata = trace_kernel_create_metadata(); |
23aaa19e CB |
79 | ok(kern->metadata != NULL, "Create kernel metadata"); |
80 | ||
81 | ok(kern->metadata->fd == -1 && | |
82 | kern->metadata->conf != NULL && | |
83 | kern->metadata->conf->attr.overwrite | |
d42266a4 | 84 | == DEFAULT_METADATA_OVERWRITE && |
23aaa19e CB |
85 | kern->metadata->conf->attr.subbuf_size |
86 | == default_get_metadata_subbuf_size() && | |
87 | kern->metadata->conf->attr.num_subbuf | |
88 | == DEFAULT_METADATA_SUBBUF_NUM && | |
89 | kern->metadata->conf->attr.switch_timer_interval | |
d42266a4 | 90 | == DEFAULT_METADATA_SWITCH_TIMER && |
23aaa19e | 91 | kern->metadata->conf->attr.read_timer_interval |
d42266a4 | 92 | == DEFAULT_METADATA_READ_TIMER && |
23aaa19e | 93 | kern->metadata->conf->attr.output |
d42266a4 | 94 | == LTTNG_EVENT_MMAP, |
23aaa19e | 95 | "Validate kernel session metadata"); |
897b8e23 | 96 | |
3f43a221 | 97 | trace_kernel_destroy_metadata(kern->metadata); |
897b8e23 DG |
98 | } |
99 | ||
23aaa19e | 100 | static void test_create_kernel_channel(void) |
897b8e23 DG |
101 | { |
102 | struct ltt_kernel_channel *chan; | |
103 | struct lttng_channel attr; | |
63aaa3dc | 104 | struct lttng_channel_extended extended; |
897b8e23 | 105 | |
441c16a7 | 106 | memset(&attr, 0, sizeof(attr)); |
63aaa3dc JG |
107 | memset(&extended, 0, sizeof(extended)); |
108 | attr.attr.extended.ptr = &extended; | |
441c16a7 | 109 | |
fdd9eb17 | 110 | chan = trace_kernel_create_channel(&attr); |
23aaa19e | 111 | ok(chan != NULL, "Create kernel channel"); |
897b8e23 | 112 | |
84a7eb73 JR |
113 | if (!chan) { |
114 | skip(1, "Channel is null"); | |
115 | return; | |
116 | } | |
117 | ||
23aaa19e CB |
118 | ok(chan->fd == -1 && |
119 | chan->enabled == 1 && | |
120 | chan->stream_count == 0 && | |
23aaa19e CB |
121 | chan->channel->attr.overwrite == attr.attr.overwrite, |
122 | "Validate kernel channel"); | |
897b8e23 DG |
123 | |
124 | /* Init list in order to avoid sefaults from cds_list_del */ | |
125 | CDS_INIT_LIST_HEAD(&chan->list); | |
3f43a221 | 126 | trace_kernel_destroy_channel(chan); |
897b8e23 DG |
127 | } |
128 | ||
23aaa19e | 129 | static void test_create_kernel_event(void) |
897b8e23 | 130 | { |
71a3bb01 | 131 | enum lttng_error_code ret; |
897b8e23 DG |
132 | struct ltt_kernel_event *event; |
133 | struct lttng_event ev; | |
134 | ||
441c16a7 | 135 | memset(&ev, 0, sizeof(ev)); |
72265d8a | 136 | ok(!lttng_strncpy(ev.name, get_random_string(), |
5961b0b5 | 137 | RANDOM_STRING_LEN), |
1c0733db | 138 | "Validate string length"); |
897b8e23 | 139 | ev.type = LTTNG_EVENT_TRACEPOINT; |
441c16a7 | 140 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; |
897b8e23 | 141 | |
71a3bb01 FD |
142 | ret = trace_kernel_create_event(&ev, NULL, NULL, &event); |
143 | ok(ret == LTTNG_OK, "Create kernel event"); | |
897b8e23 | 144 | |
84a7eb73 JR |
145 | if (!event) { |
146 | skip(1, "Event is null"); | |
147 | return; | |
148 | } | |
149 | ||
23aaa19e CB |
150 | ok(event->fd == -1 && |
151 | event->enabled == 1 && | |
152 | event->event->instrumentation == LTTNG_KERNEL_TRACEPOINT && | |
153 | strlen(event->event->name), | |
154 | "Validate kernel event"); | |
897b8e23 DG |
155 | |
156 | /* Init list in order to avoid sefaults from cds_list_del */ | |
157 | CDS_INIT_LIST_HEAD(&event->list); | |
3f43a221 | 158 | trace_kernel_destroy_event(event); |
897b8e23 DG |
159 | } |
160 | ||
23aaa19e | 161 | static void test_create_kernel_stream(void) |
897b8e23 DG |
162 | { |
163 | struct ltt_kernel_stream *stream; | |
164 | ||
00e2e675 | 165 | stream = trace_kernel_create_stream("stream1", 0); |
23aaa19e | 166 | ok(stream != NULL, "Create kernel stream"); |
897b8e23 | 167 | |
84a7eb73 JR |
168 | if (!stream) { |
169 | skip(1, "Stream is null"); | |
170 | return; | |
171 | } | |
172 | ||
23aaa19e CB |
173 | ok(stream->fd == -1 && |
174 | stream->state == 0, | |
175 | "Validate kernel stream"); | |
897b8e23 DG |
176 | |
177 | /* Init list in order to avoid sefaults from cds_list_del */ | |
178 | CDS_INIT_LIST_HEAD(&stream->list); | |
3f43a221 | 179 | trace_kernel_destroy_stream(stream); |
897b8e23 DG |
180 | } |
181 | ||
182 | int main(int argc, char **argv) | |
183 | { | |
23aaa19e | 184 | plan_tests(NUM_TESTS); |
897b8e23 | 185 | |
e3bef725 CB |
186 | diag("Kernel data structure unit test"); |
187 | ||
23aaa19e CB |
188 | test_create_one_kernel_session(); |
189 | test_create_kernel_metadata(); | |
190 | test_create_kernel_channel(); | |
191 | test_create_kernel_event(); | |
192 | test_create_kernel_stream(); | |
897b8e23 DG |
193 | |
194 | /* Success */ | |
195 | return 0; | |
196 | } |