Commit | Line | Data |
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897b8e23 | 1 | /* |
21cf9b6b | 2 | * Copyright (C) 2011 EfficiOS Inc. |
897b8e23 | 3 | * |
9d16b343 | 4 | * SPDX-License-Identifier: GPL-2.0-only |
897b8e23 | 5 | * |
897b8e23 DG |
6 | */ |
7 | ||
897b8e23 DG |
8 | #include <stdio.h> |
9 | #include <stdlib.h> | |
10 | #include <string.h> | |
11 | #include <unistd.h> | |
12 | #include <time.h> | |
13 | ||
c9e313bc SM |
14 | #include <common/compat/errno.hpp> |
15 | #include <bin/lttng-sessiond/trace-kernel.hpp> | |
16 | #include <common/defaults.hpp> | |
10a8a223 | 17 | |
23aaa19e | 18 | #include <tap/tap.h> |
897b8e23 | 19 | |
98612240 MD |
20 | #define RANDOM_STRING_LEN 11 |
21 | ||
23aaa19e | 22 | /* Number of TAP tests in this file */ |
1c0733db | 23 | #define NUM_TESTS 11 |
23aaa19e | 24 | |
48c6e03e | 25 | #ifdef HAVE_LIBLTTNG_UST_CTL |
4bd69c5f | 26 | #include <lttng/lttng-export.h> |
48c6e03e | 27 | #include <lttng/ust-sigbus.h> |
4bd69c5f | 28 | LTTNG_EXPORT DEFINE_LTTNG_UST_SIGBUS_STATE(); |
48c6e03e | 29 | #endif |
e207fe73 | 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 | { |
0e1fd1e8 JR |
58 | lttng::trace_format_descriptor::csptr trace_format = |
59 | std::make_shared<const lttng::trace_format_descriptor_ctf2>(); | |
60 | kern = trace_kernel_create_session(trace_format); | |
23aaa19e | 61 | ok(kern != NULL, "Create kernel session"); |
897b8e23 | 62 | |
84a7eb73 JR |
63 | if (!kern) { |
64 | skip(1, "Kernel session is null"); | |
65 | return; | |
66 | } | |
23aaa19e CB |
67 | ok(kern->fd == -1 && |
68 | kern->metadata_stream_fd == -1 && | |
69 | kern->consumer_fds_sent == 0 && | |
70 | kern->channel_count == 0 && | |
71 | kern->stream_count_global == 0 && | |
72 | kern->metadata == NULL, | |
73 | "Validate kernel session"); | |
897b8e23 DG |
74 | } |
75 | ||
23aaa19e | 76 | static void test_create_kernel_metadata(void) |
897b8e23 | 77 | { |
a0377dfe | 78 | LTTNG_ASSERT(kern != NULL); |
897b8e23 | 79 | |
a4b92340 | 80 | kern->metadata = trace_kernel_create_metadata(); |
23aaa19e CB |
81 | ok(kern->metadata != NULL, "Create kernel metadata"); |
82 | ||
83 | ok(kern->metadata->fd == -1 && | |
84 | kern->metadata->conf != NULL && | |
85 | kern->metadata->conf->attr.overwrite | |
d42266a4 | 86 | == DEFAULT_METADATA_OVERWRITE && |
23aaa19e CB |
87 | kern->metadata->conf->attr.subbuf_size |
88 | == default_get_metadata_subbuf_size() && | |
89 | kern->metadata->conf->attr.num_subbuf | |
90 | == DEFAULT_METADATA_SUBBUF_NUM && | |
91 | kern->metadata->conf->attr.switch_timer_interval | |
d42266a4 | 92 | == DEFAULT_METADATA_SWITCH_TIMER && |
23aaa19e | 93 | kern->metadata->conf->attr.read_timer_interval |
d42266a4 | 94 | == DEFAULT_METADATA_READ_TIMER && |
23aaa19e | 95 | kern->metadata->conf->attr.output |
d42266a4 | 96 | == LTTNG_EVENT_MMAP, |
23aaa19e | 97 | "Validate kernel session metadata"); |
897b8e23 | 98 | |
3f43a221 | 99 | trace_kernel_destroy_metadata(kern->metadata); |
897b8e23 DG |
100 | } |
101 | ||
23aaa19e | 102 | static void test_create_kernel_channel(void) |
897b8e23 DG |
103 | { |
104 | struct ltt_kernel_channel *chan; | |
105 | struct lttng_channel attr; | |
63aaa3dc | 106 | struct lttng_channel_extended extended; |
897b8e23 | 107 | |
441c16a7 | 108 | memset(&attr, 0, sizeof(attr)); |
63aaa3dc JG |
109 | memset(&extended, 0, sizeof(extended)); |
110 | attr.attr.extended.ptr = &extended; | |
441c16a7 | 111 | |
fdd9eb17 | 112 | chan = trace_kernel_create_channel(&attr); |
23aaa19e | 113 | ok(chan != NULL, "Create kernel channel"); |
897b8e23 | 114 | |
84a7eb73 JR |
115 | if (!chan) { |
116 | skip(1, "Channel is null"); | |
117 | return; | |
118 | } | |
119 | ||
23aaa19e CB |
120 | ok(chan->fd == -1 && |
121 | chan->enabled == 1 && | |
122 | chan->stream_count == 0 && | |
23aaa19e CB |
123 | chan->channel->attr.overwrite == attr.attr.overwrite, |
124 | "Validate kernel channel"); | |
897b8e23 DG |
125 | |
126 | /* Init list in order to avoid sefaults from cds_list_del */ | |
127 | CDS_INIT_LIST_HEAD(&chan->list); | |
3f43a221 | 128 | trace_kernel_destroy_channel(chan); |
897b8e23 DG |
129 | } |
130 | ||
23aaa19e | 131 | static void test_create_kernel_event(void) |
897b8e23 | 132 | { |
71a3bb01 | 133 | enum lttng_error_code ret; |
897b8e23 DG |
134 | struct ltt_kernel_event *event; |
135 | struct lttng_event ev; | |
136 | ||
441c16a7 | 137 | memset(&ev, 0, sizeof(ev)); |
72265d8a | 138 | ok(!lttng_strncpy(ev.name, get_random_string(), |
5961b0b5 | 139 | RANDOM_STRING_LEN), |
1c0733db | 140 | "Validate string length"); |
897b8e23 | 141 | ev.type = LTTNG_EVENT_TRACEPOINT; |
441c16a7 | 142 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; |
897b8e23 | 143 | |
71a3bb01 FD |
144 | ret = trace_kernel_create_event(&ev, NULL, NULL, &event); |
145 | ok(ret == LTTNG_OK, "Create kernel event"); | |
897b8e23 | 146 | |
84a7eb73 JR |
147 | if (!event) { |
148 | skip(1, "Event is null"); | |
149 | return; | |
150 | } | |
151 | ||
23aaa19e CB |
152 | ok(event->fd == -1 && |
153 | event->enabled == 1 && | |
b8e2fb80 | 154 | event->event->instrumentation == LTTNG_KERNEL_ABI_TRACEPOINT && |
23aaa19e CB |
155 | strlen(event->event->name), |
156 | "Validate kernel event"); | |
897b8e23 DG |
157 | |
158 | /* Init list in order to avoid sefaults from cds_list_del */ | |
159 | CDS_INIT_LIST_HEAD(&event->list); | |
3f43a221 | 160 | trace_kernel_destroy_event(event); |
897b8e23 DG |
161 | } |
162 | ||
23aaa19e | 163 | static void test_create_kernel_stream(void) |
897b8e23 DG |
164 | { |
165 | struct ltt_kernel_stream *stream; | |
166 | ||
00e2e675 | 167 | stream = trace_kernel_create_stream("stream1", 0); |
23aaa19e | 168 | ok(stream != NULL, "Create kernel stream"); |
897b8e23 | 169 | |
84a7eb73 JR |
170 | if (!stream) { |
171 | skip(1, "Stream is null"); | |
172 | return; | |
173 | } | |
174 | ||
23aaa19e CB |
175 | ok(stream->fd == -1 && |
176 | stream->state == 0, | |
177 | "Validate kernel stream"); | |
897b8e23 DG |
178 | |
179 | /* Init list in order to avoid sefaults from cds_list_del */ | |
180 | CDS_INIT_LIST_HEAD(&stream->list); | |
3f43a221 | 181 | trace_kernel_destroy_stream(stream); |
897b8e23 DG |
182 | } |
183 | ||
f46376a1 | 184 | int main(void) |
897b8e23 | 185 | { |
23aaa19e | 186 | plan_tests(NUM_TESTS); |
897b8e23 | 187 | |
e3bef725 CB |
188 | diag("Kernel data structure unit test"); |
189 | ||
23aaa19e CB |
190 | test_create_one_kernel_session(); |
191 | test_create_kernel_metadata(); | |
192 | test_create_kernel_channel(); | |
193 | test_create_kernel_event(); | |
194 | test_create_kernel_stream(); | |
897b8e23 | 195 | |
674c3e2c | 196 | return exit_status(); |
897b8e23 | 197 | } |