diff options
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/define_trace.h | 25 | ||||
| -rw-r--r-- | include/trace/events/asoc.h | 235 | ||||
| -rw-r--r-- | include/trace/events/kvm.h | 121 | ||||
| -rw-r--r-- | include/trace/events/power.h | 98 | ||||
| -rw-r--r-- | include/trace/events/regulator.h | 141 | ||||
| -rw-r--r-- | include/trace/events/skb.h | 4 | ||||
| -rw-r--r-- | include/trace/events/syscalls.h | 4 | ||||
| -rw-r--r-- | include/trace/ftrace.h | 21 |
8 files changed, 633 insertions, 16 deletions
diff --git a/include/trace/define_trace.h b/include/trace/define_trace.h index 1dfab5401511..da39b22636f7 100644 --- a/include/trace/define_trace.h +++ b/include/trace/define_trace.h @@ -21,11 +21,30 @@ #undef CREATE_TRACE_POINTS #include <linux/stringify.h> +/* + * module.h includes tracepoints, and because ftrace.h + * pulls in module.h: + * trace/ftrace.h -> linux/ftrace_event.h -> linux/perf_event.h -> + * linux/ftrace.h -> linux/module.h + * we must include module.h here before we play with any of + * the TRACE_EVENT() macros, otherwise the tracepoints included + * by module.h may break the build. + */ +#include <linux/module.h> #undef TRACE_EVENT #define TRACE_EVENT(name, proto, args, tstruct, assign, print) \ DEFINE_TRACE(name) +#undef TRACE_EVENT_CONDITION +#define TRACE_EVENT_CONDITION(name, proto, args, cond, tstruct, assign, print) \ + TRACE_EVENT(name, \ + PARAMS(proto), \ + PARAMS(args), \ + PARAMS(tstruct), \ + PARAMS(assign), \ + PARAMS(print)) + #undef TRACE_EVENT_FN #define TRACE_EVENT_FN(name, proto, args, tstruct, \ assign, print, reg, unreg) \ @@ -39,6 +58,10 @@ #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ DEFINE_TRACE(name) +#undef DEFINE_EVENT_CONDITION +#define DEFINE_EVENT_CONDITION(template, name, proto, args, cond) \ + DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) + #undef DECLARE_TRACE #define DECLARE_TRACE(name, proto, args) \ DEFINE_TRACE(name) @@ -75,9 +98,11 @@ #undef TRACE_EVENT #undef TRACE_EVENT_FN +#undef TRACE_EVENT_CONDITION #undef DECLARE_EVENT_CLASS #undef DEFINE_EVENT #undef DEFINE_EVENT_PRINT +#undef DEFINE_EVENT_CONDITION #undef TRACE_HEADER_MULTI_READ #undef DECLARE_TRACE diff --git a/include/trace/events/asoc.h b/include/trace/events/asoc.h new file mode 100644 index 000000000000..186e84db4b54 --- /dev/null +++ b/include/trace/events/asoc.h @@ -0,0 +1,235 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM asoc + +#if !defined(_TRACE_ASOC_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ASOC_H + +#include <linux/ktime.h> +#include <linux/tracepoint.h> + +struct snd_soc_jack; +struct snd_soc_codec; +struct snd_soc_card; +struct snd_soc_dapm_widget; + +/* + * Log register events + */ +DECLARE_EVENT_CLASS(snd_soc_reg, + + TP_PROTO(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val), + + TP_ARGS(codec, reg, val), + + TP_STRUCT__entry( + __string( name, codec->name ) + __field( int, id ) + __field( unsigned int, reg ) + __field( unsigned int, val ) + ), + + TP_fast_assign( + __assign_str(name, codec->name); + __entry->id = codec->id; + __entry->reg = reg; + __entry->val = val; + ), + + TP_printk("codec=%s.%d reg=%x val=%x", __get_str(name), + (int)__entry->id, (unsigned int)__entry->reg, + (unsigned int)__entry->val) +); + +DEFINE_EVENT(snd_soc_reg, snd_soc_reg_write, + + TP_PROTO(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val), + + TP_ARGS(codec, reg, val) + +); + +DEFINE_EVENT(snd_soc_reg, snd_soc_reg_read, + + TP_PROTO(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val), + + TP_ARGS(codec, reg, val) + +); + +DECLARE_EVENT_CLASS(snd_soc_card, + + TP_PROTO(struct snd_soc_card *card, int val), + + TP_ARGS(card, val), + + TP_STRUCT__entry( + __string( name, card->name ) + __field( int, val ) + ), + + TP_fast_assign( + __assign_str(name, card->name); + __entry->val = val; + ), + + TP_printk("card=%s val=%d", __get_str(name), (int)__entry->val) +); + +DEFINE_EVENT(snd_soc_card, snd_soc_bias_level_start, + + TP_PROTO(struct snd_soc_card *card, int val), + + TP_ARGS(card, val) + +); + +DEFINE_EVENT(snd_soc_card, snd_soc_bias_level_done, + + TP_PROTO(struct snd_soc_card *card, int val), + + TP_ARGS(card, val) + +); + +DECLARE_EVENT_CLASS(snd_soc_dapm_basic, + + TP_PROTO(struct snd_soc_card *card), + + TP_ARGS(card), + + TP_STRUCT__entry( + __string( name, card->name ) + ), + + TP_fast_assign( + __assign_str(name, card->name); + ), + + TP_printk("card=%s", __get_str(name)) +); + +DEFINE_EVENT(snd_soc_dapm_basic, snd_soc_dapm_start, + + TP_PROTO(struct snd_soc_card *card), + + TP_ARGS(card) + +); + +DEFINE_EVENT(snd_soc_dapm_basic, snd_soc_dapm_done, + + TP_PROTO(struct snd_soc_card *card), + + TP_ARGS(card) + +); + +DECLARE_EVENT_CLASS(snd_soc_dapm_widget, + + TP_PROTO(struct snd_soc_dapm_widget *w, int val), + + TP_ARGS(w, val), + + TP_STRUCT__entry( + __string( name, w->name ) + __field( int, val ) + ), + + TP_fast_assign( + __assign_str(name, w->name); + __entry->val = val; + ), + + TP_printk("widget=%s val=%d", __get_str(name), + (int)__entry->val) +); + +DEFINE_EVENT(snd_soc_dapm_widget, snd_soc_dapm_widget_power, + + TP_PROTO(struct snd_soc_dapm_widget *w, int val), + + TP_ARGS(w, val) + +); + +DEFINE_EVENT(snd_soc_dapm_widget, snd_soc_dapm_widget_event_start, + + TP_PROTO(struct snd_soc_dapm_widget *w, int val), + + TP_ARGS(w, val) + +); + +DEFINE_EVENT(snd_soc_dapm_widget, snd_soc_dapm_widget_event_done, + + TP_PROTO(struct snd_soc_dapm_widget *w, int val), + + TP_ARGS(w, val) + +); + +TRACE_EVENT(snd_soc_jack_irq, + + TP_PROTO(const char *name), + + TP_ARGS(name), + + TP_STRUCT__entry( + __string( name, name ) + ), + + TP_fast_assign( + __assign_str(name, name); + ), + + TP_printk("%s", __get_str(name)) +); + +TRACE_EVENT(snd_soc_jack_report, + + TP_PROTO(struct snd_soc_jack *jack, int mask, int val), + + TP_ARGS(jack, mask, val), + + TP_STRUCT__entry( + __string( name, jack->jack->name ) + __field( int, mask ) + __field( int, val ) + ), + + TP_fast_assign( + __assign_str(name, jack->jack->name); + __entry->mask = mask; + __entry->val = val; + ), + + TP_printk("jack=%s %x/%x", __get_str(name), (int)__entry->val, + (int)__entry->mask) +); + +TRACE_EVENT(snd_soc_jack_notify, + + TP_PROTO(struct snd_soc_jack *jack, int val), + + TP_ARGS(jack, val), + + TP_STRUCT__entry( + __string( name, jack->jack->name ) + __field( int, val ) + ), + + TP_fast_assign( + __assign_str(name, jack->jack->name); + __entry->val = val; + ), + + TP_printk("jack=%s %x", __get_str(name), (int)__entry->val) +); + +#endif /* _TRACE_ASOC_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h index 6dd3a51ab1cb..46e3cd8e197a 100644 --- a/include/trace/events/kvm.h +++ b/include/trace/events/kvm.h @@ -6,6 +6,36 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM kvm +#define ERSN(x) { KVM_EXIT_##x, "KVM_EXIT_" #x } + +#define kvm_trace_exit_reason \ + ERSN(UNKNOWN), ERSN(EXCEPTION), ERSN(IO), ERSN(HYPERCALL), \ + ERSN(DEBUG), ERSN(HLT), ERSN(MMIO), ERSN(IRQ_WINDOW_OPEN), \ + ERSN(SHUTDOWN), ERSN(FAIL_ENTRY), ERSN(INTR), ERSN(SET_TPR), \ + ERSN(TPR_ACCESS), ERSN(S390_SIEIC), ERSN(S390_RESET), ERSN(DCR),\ + ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI) + +TRACE_EVENT(kvm_userspace_exit, + TP_PROTO(__u32 reason, int errno), + TP_ARGS(reason, errno), + + TP_STRUCT__entry( + __field( __u32, reason ) + __field( int, errno ) + ), + + TP_fast_assign( + __entry->reason = reason; + __entry->errno = errno; + ), + + TP_printk("reason %s (%d)", + __entry->errno < 0 ? + (__entry->errno == -EINTR ? "restart" : "error") : + __print_symbolic(__entry->reason, kvm_trace_exit_reason), + __entry->errno < 0 ? -__entry->errno : __entry->reason) +); + #if defined(__KVM_HAVE_IOAPIC) TRACE_EVENT(kvm_set_irq, TP_PROTO(unsigned int gsi, int level, int irq_source_id), @@ -185,6 +215,97 @@ TRACE_EVENT(kvm_age_page, __entry->referenced ? "YOUNG" : "OLD") ); +#ifdef CONFIG_KVM_ASYNC_PF +DECLARE_EVENT_CLASS(kvm_async_get_page_class, + + TP_PROTO(u64 gva, u64 gfn), + + TP_ARGS(gva, gfn), + + TP_STRUCT__entry( + __field(__u64, gva) + __field(u64, gfn) + ), + + TP_fast_assign( + __entry->gva = gva; + __entry->gfn = gfn; + ), + + TP_printk("gva = %#llx, gfn = %#llx", __entry->gva, __entry->gfn) +); + +DEFINE_EVENT(kvm_async_get_page_class, kvm_try_async_get_page, + + TP_PROTO(u64 gva, u64 gfn), + + TP_ARGS(gva, gfn) +); + +DEFINE_EVENT(kvm_async_get_page_class, kvm_async_pf_doublefault, + + TP_PROTO(u64 gva, u64 gfn), + + TP_ARGS(gva, gfn) +); + +DECLARE_EVENT_CLASS(kvm_async_pf_nopresent_ready, + + TP_PROTO(u64 token, u64 gva), + + TP_ARGS(token, gva), + + TP_STRUCT__entry( + __field(__u64, token) + __field(__u64, gva) + ), + + TP_fast_assign( + __entry->token = token; + __entry->gva = gva; + ), + + TP_printk("token %#llx gva %#llx", __entry->token, __entry->gva) + +); + +DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_not_present, + + TP_PROTO(u64 token, u64 gva), + + TP_ARGS(token, gva) +); + +DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_ready, + + TP_PROTO(u64 token, u64 gva), + + TP_ARGS(token, gva) +); + +TRACE_EVENT( + kvm_async_pf_completed, + TP_PROTO(unsigned long address, struct page *page, u64 gva), + TP_ARGS(address, page, gva), + + TP_STRUCT__entry( + __field(unsigned long, address) + __field(pfn_t, pfn) + __field(u64, gva) + ), + + TP_fast_assign( + __entry->address = address; + __entry->pfn = page ? page_to_pfn(page) : 0; + __entry->gva = gva; + ), + + TP_printk("gva %#llx address %#lx pfn %#llx", __entry->gva, + __entry->address, __entry->pfn) +); + +#endif + #endif /* _TRACE_KVM_MAIN_H */ /* This part must be outside protection */ diff --git a/include/trace/events/power.h b/include/trace/events/power.h index 286784d69b8f..1bcc2a8c00e2 100644 --- a/include/trace/events/power.h +++ b/include/trace/events/power.h @@ -7,16 +7,67 @@ #include <linux/ktime.h> #include <linux/tracepoint.h> -#ifndef _TRACE_POWER_ENUM_ -#define _TRACE_POWER_ENUM_ -enum { - POWER_NONE = 0, - POWER_CSTATE = 1, /* C-State */ - POWER_PSTATE = 2, /* Fequency change or DVFS */ - POWER_SSTATE = 3, /* Suspend */ -}; +DECLARE_EVENT_CLASS(cpu, + + TP_PROTO(unsigned int state, unsigned int cpu_id), + + TP_ARGS(state, cpu_id), + + TP_STRUCT__entry( + __field( u32, state ) + __field( u32, cpu_id ) + ), + + TP_fast_assign( + __entry->state = state; + __entry->cpu_id = cpu_id; + ), + + TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state, + (unsigned long)__entry->cpu_id) +); + +DEFINE_EVENT(cpu, cpu_idle, + + TP_PROTO(unsigned int state, unsigned int cpu_id), + + TP_ARGS(state, cpu_id) +); + +/* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */ +#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING +#define _PWR_EVENT_AVOID_DOUBLE_DEFINING + +#define PWR_EVENT_EXIT -1 #endif +DEFINE_EVENT(cpu, cpu_frequency, + + TP_PROTO(unsigned int frequency, unsigned int cpu_id), + + TP_ARGS(frequency, cpu_id) +); + +TRACE_EVENT(machine_suspend, + + TP_PROTO(unsigned int state), + + TP_ARGS(state), + + TP_STRUCT__entry( + __field( u32, state ) + ), + + TP_fast_assign( + __entry->state = state; + ), + + TP_printk("state=%lu", (unsigned long)__entry->state) +); + +/* This code will be removed after deprecation time exceeded (2.6.41) */ +#ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED + /* * The power events are used for cpuidle & suspend (power_start, power_end) * and for cpufreq (power_frequency) @@ -75,6 +126,36 @@ TRACE_EVENT(power_end, ); +/* Deprecated dummy functions must be protected against multi-declartion */ +#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED +#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED + +enum { + POWER_NONE = 0, + POWER_CSTATE = 1, + POWER_PSTATE = 2, +}; +#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */ + +#else /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */ + +#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED +#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED +enum { + POWER_NONE = 0, + POWER_CSTATE = 1, + POWER_PSTATE = 2, +}; + +/* These dummy declaration have to be ripped out when the deprecated + events get removed */ +static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {}; +static inline void trace_power_end(u64 cpuid) {}; +static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {}; +#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */ + +#endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */ + /* * The clock events are used for clock enable/disable and for * clock rate change @@ -153,7 +234,6 @@ DEFINE_EVENT(power_domain, power_domain_target, TP_ARGS(name, state, cpu_id) ); - #endif /* _TRACE_POWER_H */ /* This part must be outside protection */ diff --git a/include/trace/events/regulator.h b/include/trace/events/regulator.h new file mode 100644 index 000000000000..37502a7404b7 --- /dev/null +++ b/include/trace/events/regulator.h @@ -0,0 +1,141 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM regulator + +#if !defined(_TRACE_REGULATOR_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_REGULATOR_H + +#include <linux/ktime.h> +#include <linux/tracepoint.h> + +/* + * Events which just log themselves and the regulator name for enable/disable + * type tracking. + */ +DECLARE_EVENT_CLASS(regulator_basic, + + TP_PROTO(const char *name), + + TP_ARGS(name), + + TP_STRUCT__entry( + __string( name, name ) + ), + + TP_fast_assign( + __assign_str(name, name); + ), + + TP_printk("name=%s", __get_str(name)) + +); + +DEFINE_EVENT(regulator_basic, regulator_enable, + + TP_PROTO(const char *name), + + TP_ARGS(name) + +); + +DEFINE_EVENT(regulator_basic, regulator_enable_delay, + + TP_PROTO(const char *name), + + TP_ARGS(name) + +); + +DEFINE_EVENT(regulator_basic, regulator_enable_complete, + + TP_PROTO(const char *name), + + TP_ARGS(name) + +); + +DEFINE_EVENT(regulator_basic, regulator_disable, + + TP_PROTO(const char *name), + + TP_ARGS(name) + +); + +DEFINE_EVENT(regulator_basic, regulator_disable_complete, + + TP_PROTO(const char *name), + + TP_ARGS(name) + +); + +/* + * Events that take a range of numerical values, mostly for voltages + * and so on. + */ +DECLARE_EVENT_CLASS(regulator_range, + + TP_PROTO(const char *name, int min, int max), + + TP_ARGS(name, min, max), + + TP_STRUCT__entry( + __string( name, name ) + __field( int, min ) + __field( int, max ) + ), + + TP_fast_assign( + __assign_str(name, name); + __entry->min = min; + __entry->max = max; + ), + + TP_printk("name=%s (%d-%d)", __get_str(name), + (int)__entry->min, (int)__entry->max) +); + +DEFINE_EVENT(regulator_range, regulator_set_voltage, + + TP_PROTO(const char *name, int min, int max), + + TP_ARGS(name, min, max) + +); + + +/* + * Events that take a single value, mostly for readback and refcounts. + */ +DECLARE_EVENT_CLASS(regulator_value, + + TP_PROTO(const char *name, unsigned int val), + + TP_ARGS(name, val), + + TP_STRUCT__entry( + __string( name, name ) + __field( unsigned int, val ) + ), + + TP_fast_assign( + __assign_str(name, name); + __entry->val = val; + ), + + TP_printk("name=%s, val=%u", __get_str(name), + (int)__entry->val) +); + +DEFINE_EVENT(regulator_value, regulator_set_voltage_complete, + + TP_PROTO(const char *name, unsigned int value), + + TP_ARGS(name, value) + +); + +#endif /* _TRACE_POWER_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h index 75ce9d500d8e..f10293c41b1e 100644 --- a/include/trace/events/skb.h +++ b/include/trace/events/skb.h @@ -25,9 +25,7 @@ TRACE_EVENT(kfree_skb, TP_fast_assign( __entry->skbaddr = skb; - if (skb) { - __entry->protocol = ntohs(skb->protocol); - } + __entry->protocol = ntohs(skb->protocol); __entry->location = location; ), diff --git a/include/trace/events/syscalls.h b/include/trace/events/syscalls.h index fb726ac7caee..5a4c04a75b3d 100644 --- a/include/trace/events/syscalls.h +++ b/include/trace/events/syscalls.h @@ -40,6 +40,8 @@ TRACE_EVENT_FN(sys_enter, syscall_regfunc, syscall_unregfunc ); +TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY) + TRACE_EVENT_FN(sys_exit, TP_PROTO(struct pt_regs *regs, long ret), @@ -62,6 +64,8 @@ TRACE_EVENT_FN(sys_exit, syscall_regfunc, syscall_unregfunc ); +TRACE_EVENT_FLAGS(sys_exit, TRACE_EVENT_FL_CAP_ANY) + #endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */ #endif /* _TRACE_EVENTS_SYSCALLS_H */ diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index a9377c0083ad..e16610c208c9 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -82,6 +82,10 @@ TRACE_EVENT(name, PARAMS(proto), PARAMS(args), \ PARAMS(tstruct), PARAMS(assign), PARAMS(print)) \ +#undef TRACE_EVENT_FLAGS +#define TRACE_EVENT_FLAGS(name, value) \ + __TRACE_EVENT_FLAGS(name, value) + #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) @@ -129,6 +133,9 @@ #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) +#undef TRACE_EVENT_FLAGS +#define TRACE_EVENT_FLAGS(event, flag) + #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) /* @@ -289,13 +296,19 @@ static struct trace_event_functions ftrace_event_type_funcs_##call = { \ #undef __array #define __array(type, item, len) \ - BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \ - ret = trace_define_field(event_call, #type "[" #len "]", #item, \ + do { \ + mutex_lock(&event_storage_mutex); \ + BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \ + snprintf(event_storage, sizeof(event_storage), \ + "%s[%d]", #type, len); \ + ret = trace_define_field(event_call, event_storage, #item, \ offsetof(typeof(field), item), \ sizeof(field.item), \ is_signed_type(type), FILTER_OTHER); \ - if (ret) \ - return ret; + mutex_unlock(&event_storage_mutex); \ + if (ret) \ + return ret; \ + } while (0); #undef __dynamic_array #define __dynamic_array(type, item, len) \ |