X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=tests%2Fprobes%2Flttng-test.c;fp=tests%2Fprobes%2Flttng-test.c;h=0000000000000000000000000000000000000000;hb=600da0c9c2a133a3154bd5ad6df428d8e3256e30;hp=86007e5e73d2cc66d28fdce600fdf49c4ad0a912;hpb=4140ad5d31731fbfc179fbcf0221322cfeba6461;p=lttng-modules.git diff --git a/tests/probes/lttng-test.c b/tests/probes/lttng-test.c deleted file mode 100644 index 86007e5e..00000000 --- a/tests/probes/lttng-test.c +++ /dev/null @@ -1,144 +0,0 @@ -/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) - * - * lttng-test.c - * - * Linux Trace Toolkit Next Generation Test Module - * - * Copyright 2015 Mathieu Desnoyers - */ - -#include -#include -#include -#include -#include - -#include -#include -#include - -#define TP_MODULE_NOAUTOLOAD -#define LTTNG_PACKAGE_BUILD -#define CREATE_TRACE_POINTS -#define TRACE_INCLUDE_PATH instrumentation/events -#define TRACE_INCLUDE_FILE lttng-test -#define LTTNG_INSTRUMENTATION -#include - -LTTNG_DEFINE_TRACE(lttng_test_filter_event, - PARAMS(int anint, int netint, long *values, - char *text, size_t textlen, - char *etext, uint32_t * net_values), - PARAMS(anint, netint, values, text, textlen, etext, net_values) -); - -#define LTTNG_TEST_FILTER_EVENT_FILE "lttng-test-filter-event" - -#define LTTNG_WRITE_COUNT_MAX 64 - -static struct proc_dir_entry *lttng_test_filter_event_dentry; - -static -void trace_test_event(unsigned int nr_iter) -{ - int i, netint; - long values[] = { 1, 2, 3 }; - uint32_t net_values[] = { 1, 2, 3 }; - char text[10] = "test"; - char escape[10] = "\\*"; - - for (i = 0; i < 3; i++) { - net_values[i] = htonl(net_values[i]); - } - for (i = 0; i < nr_iter; i++) { - netint = htonl(i); - trace_lttng_test_filter_event(i, netint, values, text, strlen(text), escape, net_values); - } -} - -/** - * lttng_filter_event_write - trigger a lttng_test_filter_event - * @file: file pointer - * @user_buf: user string - * @count: length to copy - * - * Return -1 on error, with EFAULT errno. Returns count on success. - */ -static -ssize_t lttng_test_filter_event_write(struct file *file, const char __user *user_buf, - size_t count, loff_t *ppos) -{ - unsigned int nr_iter; - ssize_t written; - int ret; - - /* Get the number of iterations */ - ret = kstrtouint_from_user(user_buf, count, 10, &nr_iter); - if (ret) { - written = ret; - goto end; - } - /* Trace the event */ - trace_test_event(nr_iter); - written = count; - *ppos += written; -end: - return written; -} - -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0)) -static const struct proc_ops lttng_test_filter_event_proc_ops = { - .proc_write = lttng_test_filter_event_write, -}; -#else -static const struct file_operations lttng_test_filter_event_proc_ops = { - .write = lttng_test_filter_event_write, -}; -#endif - -static -int __init lttng_test_init(void) -{ - int ret = 0; - - (void) wrapper_lttng_fixup_sig(THIS_MODULE); - wrapper_vmalloc_sync_mappings(); - lttng_test_filter_event_dentry = - proc_create_data(LTTNG_TEST_FILTER_EVENT_FILE, - S_IRUGO | S_IWUGO, NULL, - <tng_test_filter_event_proc_ops, NULL); - if (!lttng_test_filter_event_dentry) { - printk(KERN_ERR "Error creating LTTng test filter file\n"); - ret = -ENOMEM; - goto error; - } - ret = __lttng_events_init__lttng_test(); - if (ret) - goto error_events; - return ret; - -error_events: - remove_proc_entry(LTTNG_TEST_FILTER_EVENT_FILE, NULL); -error: - return ret; -} - -module_init(lttng_test_init); - -static -void __exit lttng_test_exit(void) -{ - __lttng_events_exit__lttng_test(); - if (lttng_test_filter_event_dentry) - remove_proc_entry(LTTNG_TEST_FILTER_EVENT_FILE, NULL); -} - -module_exit(lttng_test_exit); - -MODULE_LICENSE("GPL and additional rights"); -MODULE_AUTHOR("Mathieu Desnoyers "); -MODULE_DESCRIPTION("LTTng Test"); -MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "." - __stringify(LTTNG_MODULES_MINOR_VERSION) "." - __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION) - LTTNG_MODULES_EXTRAVERSION);