From: compudj Date: Mon, 29 May 2006 13:57:35 +0000 (+0000) Subject: add missing tests X-Git-Tag: v0.12.20~1620 X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=abbd00d33b2bf48a80769dd0c40af8b60d1e59c0;p=lttv.git add missing tests git-svn-id: http://ltt.polymtl.ca/svn@1869 04897980-b3bd-0310-b5e0-8ef037075253 --- diff --git a/tests/kernel/Makefile b/tests/kernel/Makefile index 3ebe0c0f..b34a3990 100644 --- a/tests/kernel/Makefile +++ b/tests/kernel/Makefile @@ -1,11 +1,11 @@ ifneq ($(KERNELRELEASE),) ifneq ($(CONFIG_LTT),) - #obj-m += ltt-facility-loader-tests.o - #obj-m += test-time-probe.o - #obj-m += test-instrument-size-small.o - #obj-m += test-instrument-size-med.o - #obj-m += test-instrument-size-big.o - #obj-m += test-printk-effect.o + obj-m += ltt-facility-loader-tests.o + obj-m += test-time-probe.o + obj-m += test-instrument-size-small.o + obj-m += test-instrument-size-med.o + obj-m += test-instrument-size-big.o + obj-m += test-printk-effect.o endif obj-m += test-cmpxchg.o diff --git a/tests/kernel/ltt-facility-id-tests.h b/tests/kernel/ltt-facility-id-tests.h new file mode 100644 index 00000000..ba107442 --- /dev/null +++ b/tests/kernel/ltt-facility-id-tests.h @@ -0,0 +1,23 @@ +#ifndef _LTT_FACILITY_ID_TESTS_H_ +#define _LTT_FACILITY_ID_TESTS_H_ + +#ifdef CONFIG_LTT +#include + +/**** facility handle ****/ + +extern ltt_facility_t ltt_facility_tests_2F06D8DB; +extern ltt_facility_t ltt_facility_tests; + + +/**** event index ****/ + +enum tests_event { + event_tests_write_4bytes, + event_tests_write_string, + event_tests_write_struct, + facility_tests_num_events +}; + +#endif //CONFIG_LTT +#endif //_LTT_FACILITY_ID_TESTS_H_ diff --git a/tests/kernel/ltt-facility-loader-tests.c b/tests/kernel/ltt-facility-loader-tests.c new file mode 100644 index 00000000..3a232c7f --- /dev/null +++ b/tests/kernel/ltt-facility-loader-tests.c @@ -0,0 +1,66 @@ +/* + * ltt-facility-loader-tests.c + * + * (C) Copyright 2005 - + * Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca) + * + * Contains the LTT facility loader. + * + */ + + +#include +#include +#include +#include +#include "ltt-facility-loader-tests.h" + + +#ifdef CONFIG_LTT + +EXPORT_SYMBOL(LTT_FACILITY_SYMBOL); +EXPORT_SYMBOL(LTT_FACILITY_CHECKSUM_SYMBOL); + +static const char ltt_facility_name[] = LTT_FACILITY_NAME; + +#define SYMBOL_STRING(sym) #sym + +static struct ltt_facility facility = { + .name = ltt_facility_name, + .num_events = LTT_FACILITY_NUM_EVENTS, + .checksum = LTT_FACILITY_CHECKSUM, + .symbol = SYMBOL_STRING(LTT_FACILITY_SYMBOL), +}; + +static int __init facility_init(void) +{ + printk(KERN_INFO "LTT : ltt-facility-tests init in kernel\n"); + + LTT_FACILITY_SYMBOL = ltt_facility_kernel_register(&facility); + LTT_FACILITY_CHECKSUM_SYMBOL = LTT_FACILITY_SYMBOL; + + return LTT_FACILITY_SYMBOL; +} + +#ifndef MODULE +__initcall(facility_init); +#else +module_init(facility_init); +static void __exit facility_exit(void) +{ + int err; + + err = ltt_facility_unregister(LTT_FACILITY_SYMBOL); + if(err != 0) + printk(KERN_ERR "LTT : Error in unregistering facility.\n"); + +} +module_exit(facility_exit) + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Mathieu Desnoyers"); +MODULE_DESCRIPTION("Linux Trace Toolkit Facility"); + +#endif //MODULE + +#endif //CONFIG_LTT diff --git a/tests/kernel/ltt-facility-loader-tests.h b/tests/kernel/ltt-facility-loader-tests.h new file mode 100644 index 00000000..bf161480 --- /dev/null +++ b/tests/kernel/ltt-facility-loader-tests.h @@ -0,0 +1,20 @@ +#ifndef _LTT_FACILITY_LOADER_TESTS_H_ +#define _LTT_FACILITY_LOADER_TESTS_H_ + +#ifdef CONFIG_LTT + +#include +#include "ltt-facility-id-tests.h" + +ltt_facility_t ltt_facility_tests; +ltt_facility_t ltt_facility_tests_2F06D8DB; + +#define LTT_FACILITY_SYMBOL ltt_facility_tests +#define LTT_FACILITY_CHECKSUM_SYMBOL ltt_facility_tests_2F06D8DB +#define LTT_FACILITY_CHECKSUM 0x2F06D8DB +#define LTT_FACILITY_NAME "tests" +#define LTT_FACILITY_NUM_EVENTS facility_tests_num_events + +#endif //CONFIG_LTT + +#endif //_LTT_FACILITY_LOADER_TESTS_H_ diff --git a/tests/kernel/ltt-facility-loader-tests.mod.c b/tests/kernel/ltt-facility-loader-tests.mod.c new file mode 100644 index 00000000..e5bbf0e2 --- /dev/null +++ b/tests/kernel/ltt-facility-loader-tests.mod.c @@ -0,0 +1,20 @@ +#include +#include +#include + +MODULE_INFO(vermagic, VERMAGIC_STRING); + +struct module __this_module +__attribute__((section(".gnu.linkonce.this_module"))) = { + .name = KBUILD_MODNAME, + .init = init_module, +#ifdef CONFIG_MODULE_UNLOAD + .exit = cleanup_module, +#endif +}; + +static const char __module_depends[] +__attribute_used__ +__attribute__((section(".modinfo"))) = +"depends="; + diff --git a/tests/kernel/ltt-facility-tests.h b/tests/kernel/ltt-facility-tests.h new file mode 100644 index 00000000..a0aa42e1 --- /dev/null +++ b/tests/kernel/ltt-facility-tests.h @@ -0,0 +1,551 @@ +#ifndef _LTT_FACILITY_TESTS_H_ +#define _LTT_FACILITY_TESTS_H_ + +#include +#include "ltt-facility-id-tests.h" +#include + +/* Named types */ + +/* Event write_4bytes structures */ + +/* Event write_4bytes logging function */ +static inline void trace_tests_write_4bytes( + int lttng_param_data) +#if (!defined(CONFIG_LTT) || !defined(CONFIG_LTT_FACILITY_TESTS)) +{ +} +#else +{ + unsigned int index; + struct ltt_channel_struct *channel; + struct ltt_trace_struct *trace; + struct rchan_buf *relayfs_buf; + void *buffer = NULL; + size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ + size_t *to_base = &real_to_base; + size_t real_to = 0; + size_t *to = &real_to; + size_t real_len = 0; + size_t *len = &real_len; + size_t reserve_size; + size_t slot_size; + size_t align; + const void *real_from; + const void **from = &real_from; + u64 tsc; + size_t before_hdr_pad, after_hdr_pad, header_size; + + if(ltt_traces.num_active_traces == 0) return; + + /* For each field, calculate the field size. */ + /* size = *to_base + *to + *len */ + /* Assume that the padding for alignment starts at a + * sizeof(void *) address. */ + + *from = <tng_param_data; + align = sizeof(int); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + *len += sizeof(int); + + reserve_size = *to_base + *to + *len; + preempt_disable(); + ltt_nesting[smp_processor_id()]++; + index = ltt_get_index_from_facility(ltt_facility_tests_2F06D8DB, + event_tests_write_4bytes); + + list_for_each_entry_rcu(trace, <t_traces.head, list) { + if(!trace->active) continue; + + channel = ltt_get_channel_from_index(trace, index); + relayfs_buf = channel->rchan->buf[smp_processor_id()]; + + slot_size = 0; + buffer = ltt_reserve_slot(trace, relayfs_buf, + reserve_size, &slot_size, &tsc, + &before_hdr_pad, &after_hdr_pad, &header_size); + if(!buffer) continue; /* buffer full */ + + *to_base = *to = *len = 0; + + ltt_write_event_header(trace, channel, buffer, + ltt_facility_tests_2F06D8DB, event_tests_write_4bytes, + reserve_size, before_hdr_pad, tsc); + *to_base += before_hdr_pad + after_hdr_pad + header_size; + + *from = <tng_param_data; + align = sizeof(int); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + *len += sizeof(int); + + /* Flush pending memcpy */ + if(*len != 0) { + memcpy(buffer+*to_base+*to, *from, *len); + *to += *len; + *len = 0; + } + + ltt_commit_slot(relayfs_buf, buffer, slot_size); + + } + + ltt_nesting[smp_processor_id()]--; + preempt_enable_no_resched(); +} +#endif //(!defined(CONFIG_LTT) || !defined(CONFIG_LTT_FACILITY_TESTS)) + + +/* Event write_string structures */ +static inline void lttng_write_string_tests_write_string_data( + void *buffer, + size_t *to_base, + size_t *to, + const void **from, + size_t *len, + const char * obj) +{ + size_t size; + size_t align; + + /* Flush pending memcpy */ + if(*len != 0) { + if(buffer != NULL) + memcpy(buffer+*to_base+*to, *from, *len); + } + *to += *len; + *len = 0; + + align = sizeof(char); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + /* Contains variable sized fields : must explode the structure */ + + size = strlen(obj) + 1; /* Include final NULL char. */ + if(buffer != NULL) + memcpy(buffer+*to_base+*to, obj, size); + *to += size; + + /* Realign the *to_base on arch size, set *to to 0 */ + *to += ltt_align(*to, sizeof(void *)); + *to_base = *to_base+*to; + *to = 0; + + /* Put source *from just after the C string */ + *from += size; +} + + +/* Event write_string logging function */ +static inline void trace_tests_write_string( + const char * lttng_param_data) +#if (!defined(CONFIG_LTT) || !defined(CONFIG_LTT_FACILITY_TESTS)) +{ +} +#else +{ + unsigned int index; + struct ltt_channel_struct *channel; + struct ltt_trace_struct *trace; + struct rchan_buf *relayfs_buf; + void *buffer = NULL; + size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ + size_t *to_base = &real_to_base; + size_t real_to = 0; + size_t *to = &real_to; + size_t real_len = 0; + size_t *len = &real_len; + size_t reserve_size; + size_t slot_size; + const void *real_from; + const void **from = &real_from; + u64 tsc; + size_t before_hdr_pad, after_hdr_pad, header_size; + + if(ltt_traces.num_active_traces == 0) return; + + /* For each field, calculate the field size. */ + /* size = *to_base + *to + *len */ + /* Assume that the padding for alignment starts at a + * sizeof(void *) address. */ + + *from = lttng_param_data; + lttng_write_string_tests_write_string_data(buffer, to_base, to, from, len, lttng_param_data); + + reserve_size = *to_base + *to + *len; + preempt_disable(); + ltt_nesting[smp_processor_id()]++; + index = ltt_get_index_from_facility(ltt_facility_tests_2F06D8DB, + event_tests_write_string); + + list_for_each_entry_rcu(trace, <t_traces.head, list) { + if(!trace->active) continue; + + channel = ltt_get_channel_from_index(trace, index); + relayfs_buf = channel->rchan->buf[smp_processor_id()]; + + slot_size = 0; + buffer = ltt_reserve_slot(trace, relayfs_buf, + reserve_size, &slot_size, &tsc, + &before_hdr_pad, &after_hdr_pad, &header_size); + if(!buffer) continue; /* buffer full */ + + *to_base = *to = *len = 0; + + ltt_write_event_header(trace, channel, buffer, + ltt_facility_tests_2F06D8DB, event_tests_write_string, + reserve_size, before_hdr_pad, tsc); + *to_base += before_hdr_pad + after_hdr_pad + header_size; + + *from = lttng_param_data; + lttng_write_string_tests_write_string_data(buffer, to_base, to, from, len, lttng_param_data); + + /* Flush pending memcpy */ + if(*len != 0) { + memcpy(buffer+*to_base+*to, *from, *len); + *to += *len; + *len = 0; + } + + ltt_commit_slot(relayfs_buf, buffer, slot_size); + + } + + ltt_nesting[smp_processor_id()]--; + preempt_enable_no_resched(); +} +#endif //(!defined(CONFIG_LTT) || !defined(CONFIG_LTT_FACILITY_TESTS)) + + +/* Event write_struct structures */ +typedef struct lttng_sequence_tests_write_struct_data2_data5 lttng_sequence_tests_write_struct_data2_data5; +struct lttng_sequence_tests_write_struct_data2_data5 { + unsigned int len; + const int64_t *array; +}; + +struct lttng_tests_write_struct_data2 { + const char * data3; + int data4; + lttng_sequence_tests_write_struct_data2_data5 data5; + int data6; +} LTT_ALIGN; + +static inline size_t lttng_get_alignment_sequence_tests_write_struct_data2_data5( + lttng_sequence_tests_write_struct_data2_data5 *obj) +{ + size_t align=0, localign; + localign = sizeof(unsigned int); + align = max(align, localign); + + localign = sizeof(int64_t); + align = max(align, localign); + + return align; +} + +static inline size_t lttng_get_alignment_struct_tests_write_struct_data2( + struct lttng_tests_write_struct_data2 *obj) +{ + size_t align=0, localign; + localign = sizeof(char); + align = max(align, localign); + + localign = sizeof(int); + align = max(align, localign); + + localign = lttng_get_alignment_sequence_tests_write_struct_data2_data5(&obj->data5); + align = max(align, localign); + + localign = sizeof(int); + align = max(align, localign); + + return align; +} + +static inline void lttng_write_string_tests_write_struct_data2_data3( + void *buffer, + size_t *to_base, + size_t *to, + const void **from, + size_t *len, + const char * obj) +{ + size_t size; + size_t align; + + /* Flush pending memcpy */ + if(*len != 0) { + if(buffer != NULL) + memcpy(buffer+*to_base+*to, *from, *len); + } + *to += *len; + *len = 0; + + align = sizeof(char); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + /* Contains variable sized fields : must explode the structure */ + + size = strlen(obj) + 1; /* Include final NULL char. */ + if(buffer != NULL) + memcpy(buffer+*to_base+*to, obj, size); + *to += size; + + /* Realign the *to_base on arch size, set *to to 0 */ + *to += ltt_align(*to, sizeof(void *)); + *to_base = *to_base+*to; + *to = 0; + + /* Put source *from just after the C string */ + *from += size; +} + +static inline void lttng_write_sequence_tests_write_struct_data2_data5( + void *buffer, + size_t *to_base, + size_t *to, + const void **from, + size_t *len, + lttng_sequence_tests_write_struct_data2_data5 *obj) +{ + size_t align; + + /* Flush pending memcpy */ + if(*len != 0) { + if(buffer != NULL) + memcpy(buffer+*to_base+*to, *from, *len); + } + *to += *len; + *len = 0; + + align = lttng_get_alignment_sequence_tests_write_struct_data2_data5(obj); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + /* Contains variable sized fields : must explode the structure */ + + /* Copy members */ + align = sizeof(unsigned int); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + *len += sizeof(unsigned int); + + if(buffer != NULL) + memcpy(buffer+*to_base+*to, &obj->len, *len); + *to += *len; + *len = 0; + + align = sizeof(int64_t); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + *len += sizeof(int64_t); + + *len = obj->len * (*len); + if(buffer != NULL) + memcpy(buffer+*to_base+*to, obj->array, *len); + *to += *len; + *len = 0; + + + /* Realign the *to_base on arch size, set *to to 0 */ + *to += ltt_align(*to, sizeof(void *)); + *to_base = *to_base+*to; + *to = 0; + + /* Put source *from just after the C sequence */ + *from = obj+1; +} + +static inline void lttng_write_struct_tests_write_struct_data2( + void *buffer, + size_t *to_base, + size_t *to, + const void **from, + size_t *len, + struct lttng_tests_write_struct_data2 *obj) +{ + size_t align; + + align = lttng_get_alignment_struct_tests_write_struct_data2(obj); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + /* Contains variable sized fields : must explode the structure */ + + lttng_write_string_tests_write_struct_data2_data3(buffer, to_base, to, from, len, obj->data3); + + align = sizeof(int); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + *len += sizeof(int); + + lttng_write_sequence_tests_write_struct_data2_data5(buffer, to_base, to, from, len, &obj->data5); + align = sizeof(int); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + *len += sizeof(int); + +} + + +/* Event write_struct logging function */ +static inline void trace_tests_write_struct( + int lttng_param_data1, + struct lttng_tests_write_struct_data2 * lttng_param_data2) +#if (!defined(CONFIG_LTT) || !defined(CONFIG_LTT_FACILITY_TESTS)) +{ +} +#else +{ + unsigned int index; + struct ltt_channel_struct *channel; + struct ltt_trace_struct *trace; + struct rchan_buf *relayfs_buf; + void *buffer = NULL; + size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ + size_t *to_base = &real_to_base; + size_t real_to = 0; + size_t *to = &real_to; + size_t real_len = 0; + size_t *len = &real_len; + size_t reserve_size; + size_t slot_size; + size_t align; + const void *real_from; + const void **from = &real_from; + u64 tsc; + size_t before_hdr_pad, after_hdr_pad, header_size; + + if(ltt_traces.num_active_traces == 0) return; + + /* For each field, calculate the field size. */ + /* size = *to_base + *to + *len */ + /* Assume that the padding for alignment starts at a + * sizeof(void *) address. */ + + *from = <tng_param_data1; + align = sizeof(int); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + *len += sizeof(int); + + *from = lttng_param_data2; + lttng_write_struct_tests_write_struct_data2(buffer, to_base, to, from, len, lttng_param_data2); + reserve_size = *to_base + *to + *len; + preempt_disable(); + ltt_nesting[smp_processor_id()]++; + index = ltt_get_index_from_facility(ltt_facility_tests_2F06D8DB, + event_tests_write_struct); + + list_for_each_entry_rcu(trace, <t_traces.head, list) { + if(!trace->active) continue; + + channel = ltt_get_channel_from_index(trace, index); + relayfs_buf = channel->rchan->buf[smp_processor_id()]; + + slot_size = 0; + buffer = ltt_reserve_slot(trace, relayfs_buf, + reserve_size, &slot_size, &tsc, + &before_hdr_pad, &after_hdr_pad, &header_size); + if(!buffer) continue; /* buffer full */ + + *to_base = *to = *len = 0; + + ltt_write_event_header(trace, channel, buffer, + ltt_facility_tests_2F06D8DB, event_tests_write_struct, + reserve_size, before_hdr_pad, tsc); + *to_base += before_hdr_pad + after_hdr_pad + header_size; + + *from = <tng_param_data1; + align = sizeof(int); + + if(*len == 0) { + *to += ltt_align(*to, align); /* align output */ + } else { + *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ + } + + *len += sizeof(int); + + /* Flush pending memcpy */ + if(*len != 0) { + memcpy(buffer+*to_base+*to, *from, *len); + *to += *len; + *len = 0; + } + + *from = lttng_param_data2; + lttng_write_struct_tests_write_struct_data2(buffer, to_base, to, from, len, lttng_param_data2); + /* Flush pending memcpy */ + if(*len != 0) { + memcpy(buffer+*to_base+*to, *from, *len); + *to += *len; + *len = 0; + } + + ltt_commit_slot(relayfs_buf, buffer, slot_size); + + } + + ltt_nesting[smp_processor_id()]--; + preempt_enable_no_resched(); +} +#endif //(!defined(CONFIG_LTT) || !defined(CONFIG_LTT_FACILITY_TESTS)) + + +#endif //_LTT_FACILITY_TESTS_H_ diff --git a/tests/kernel/test-cmpxchg.c b/tests/kernel/test-cmpxchg.c index da7f515a..69a25334 100644 --- a/tests/kernel/test-cmpxchg.c +++ b/tests/kernel/test-cmpxchg.c @@ -12,7 +12,6 @@ #define NR_LOOPS 20000 - volatile int test_val = 100; diff --git a/tests/kernel/test-printk-effect.c b/tests/kernel/test-printk-effect.c new file mode 100644 index 00000000..a9429dec --- /dev/null +++ b/tests/kernel/test-printk-effect.c @@ -0,0 +1,38 @@ +/* test-time-probe.c + * + * Test printk effect on timer interrupt. + */ + + +#include +#include +#include + +#define NR_LOOPS 20000 + +static int ltt_test_init(void) +{ + unsigned int i; + + printk(KERN_ALERT "test init\n"); + + for(i=0; i