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2020-05-04misc: binary api fuzz test fixesDave Barach1-2/+4
2020-03-13tests: avoid unnecessary rebuildsKlement Sekera1-2/+2
2020-03-09l2: API cleanupJakub Grajciar1-50/+0
2020-02-26api: improve api string safetyJakub Grajciar1-0/+67
2019-12-05build: fix vom_test dependency on EXTENDED_TESTSDave Wallace1-1/+3
2019-12-04build: fix make test with distributed srcDave Wallace1-25/+28
2019-09-03api: enforce vla is last and fixed string typeOle Troan2-15/+7
2019-09-02tests: run vapi tests by defaultKlement Sekera1-0/+4
2019-08-27api: revert use string type for strings in memclnt.apiOle Troan2-11/+12
2019-08-27api: use string type for strings in memclnt.apiOle Troan2-12/+11
2019-08-20api: Cleanup APIs interface.apiJakub Grajciar2-13/+13
2019-07-31qos: Store functionNeale Ranns1-0/+18
2019-07-25vom: QoS supportNeale Ranns1-0/+79
2019-06-27vom: get the tests working againNeale Ranns1-0/+5
2019-06-26vom: fix test build failureNeale Ranns1-17/+20
2019-06-07VOM-test: fix the UT post BVI and Bridge-domain changesNeale Ranns1-7/+27
2019-03-15Revert "API: Cleanup APIs interface.api"Ole Trøan2-13/+13
2019-03-15API: Cleanup APIs interface.apiJakub Grajciar2-13/+13
2019-02-22VOM: De-template the ACL code.Neale Ranns1-1/+2
2019-02-22VOM: fix tests and namespacify l2_vtrNeale Ranns1-5/+6
2019-02-13VOM: neighbour API flagsNeale Ranns1-2/+6
2019-01-10VOM: IP route ECMP supportNeale Ranns1-9/+29
2019-01-07VOM: mroutesNeale Ranns1-0/+41
2018-12-18VAPI/VOM: Removing legacy stats tests, add string type.Ole Troan3-349/+17
2018-12-13vom: Add support for new statsMohsin Kazmi1-1/+1
2018-12-12VOM: vxlan-tunnel takes egress interface for multicastNeale Ranns1-1/+2
2018-12-10VOM: vxlan-gbpNeale Ranns1-1/+1
2018-11-29make test: create virtualenv under /test/Klement Sekera1-6/+6
2018-11-29API: Add support for type aliasesOle Troan1-0/+2
2018-11-01vom: Add igmp 'host' support in vomMohsin Kazmi1-0/+65
2018-10-31make-test: Fix the vapi testMohsin Kazmi1-0/+1
2018-10-23c11 safe string handling supportDave Barach1-23/+26
2018-09-29vom: Fix the l2 port type in bridge domainMohsin Kazmi1-12/+38
2018-09-27vom: Add ip punt redirectMohsin Kazmi1-0/+62
2018-09-12Always use 'lib' instead of 'lib64'Damjan Marion1-3/+3
2018-08-28VAPI: bugfixesKlement Sekera1-1/+13
2018-07-17VOM: support for pipesNeale Ranns1-0/+78
2018-07-05VPP-1335 vapi crash when memclnt_keepalive receivedKlement Sekera1-4/+4
2018-07-03vom: Add cross connect supportMohsin Kazmi1-0/+64
2018-05-27Fixes make test errors with clang compiler on aarch64Sirshak Das1-3/+3
2018-05-25ARP proxy dumpsNeale Ranns1-1/+1
2018-05-07opensuse: OS_ID field content changed for SUSEMarco Varlese1-1/+1
2018-04-27Move VOM to extras/vomDamjan Marion1-10/+36
2018-04-13GBP V2Neale Ranns1-6/+21
2018-03-27VOM: bond: Add support for LACPMohsin Kazmi1-0/+93
2018-03-24make test: fix ext build on centosKlement Sekera1-1/+1
2018-03-14VOM: acl: Add support for acl ethertype unbind and dumpMohsin Kazmi1-0/+5
2018-02-22VOM: vhost-use interfacesNeale Ranns1-1/+29
2018-02-19VOM: acl: Some necessary fixesMohsin Kazmi1-0/+7
2018-02-13VOM: ACL: Add Object Model for acl ethertypeMohsin Kazmi1-0/+16
/span> #include <vppinfra/cache.h> #include <vppinfra/error.h> /* for ASSERT */ #include <vppinfra/serialize.h> #include <vppinfra/time.h> /* for clib_cpu_time_now */ #include <vppinfra/mhash.h> typedef struct { union { /** Absolute time stamp in CPU clock cycles. */ u64 time_cycles; /** Absolute time as floating point number in seconds. */ f64 time; }; /** Event type index. */ u16 type; /** Track for this event. Tracks allow events to be sorted and displayed by track. Think of 2 dimensional display with time and track being the x and y axes. */ u16 track; /** 20-bytes of data follows, pads to 32 bytes. */ u8 data[20]; } elog_event_t; typedef struct { /** Type index plus one assigned to this type. This is used to mark type as seen. */ u32 type_index_plus_one; /** String table as a vector constructed when type is registered. */ char **enum_strings_vector; /** Format string. (example: "my-event (%d,%d)"). */ char *format; /** Specifies how arguments to format are parsed from event data. String of characters '0' '1' or '2' '3' to specify log2 size of data (e.g. for u8, u16, u32 or u64), 's' means a null-terminated C string 't' means argument is an index into enum string table for this type. 'e' is a float, 'f' is a double. */ char *format_args; /** Function name generating event. */ char *function; /** Number of elements in string enum table. */ u32 n_enum_strings; /** String table for enum/number to string formatting. */ char *enum_strings[]; } elog_event_type_t; typedef struct { /** Track name vector. */ char *name; /** Set to one when track has been added to main structure. */ u32 track_index_plus_one; } elog_track_t; typedef struct { /** CPU cycle counter. */ u64 cpu; /** OS timer in nano secs since epoch 3/30/2017, see elog_time_now() */ u64 os_nsec; } elog_time_stamp_t; typedef struct { /** Total number of events in buffer. */ u32 n_total_events; /** When count reaches limit logging is disabled. This is used for event triggers. */ u32 n_total_events_disable_limit; /** Dummy event to use when logger is disabled. */ elog_event_t dummy_event; /** Power of 2 number of elements in ring. */ uword event_ring_size; /** Vector of events (circular buffer). Power of 2 size. Used when events are being collected. */ elog_event_t *event_ring; /** Vector of event types. */ elog_event_type_t *event_types; /** Hash table mapping type format to type index. */ uword *event_type_by_format; /** Events may refer to strings in string table. */ char *string_table; /** Vector of tracks. */ elog_track_t *tracks; /** Default track. */ elog_track_t default_track; /** Place holder for CPU clock frequency. */ clib_time_t cpu_timer; /** Timestamps */ elog_time_stamp_t init_time, serialize_time; /** SMP lock, non-zero means locking required */ uword *lock; /** Use serialize_time and init_time to give estimate for cpu clock frequency. */ f64 nsec_per_cpu_clock; /** Vector of events converted to generic form after collection. */ elog_event_t *events; } elog_main_t; /** @brief Return number of events in the event-log buffer @param em elog_main_t * @return number of events in the buffer */ always_inline uword elog_n_events_in_buffer (elog_main_t * em) { return clib_min (em->n_total_events, em->event_ring_size); } /** @brief Return number of events which can fit in the event buffer @param em elog_main_t * @return number of events which can fit in the buffer */ always_inline uword elog_buffer_capacity (elog_main_t * em) { return em->event_ring_size; } /** @brief Reset the event buffer @param em elog_main_t * */ always_inline void elog_reset_buffer (elog_main_t * em) { em->n_total_events = 0; em->n_total_events_disable_limit = ~0; } /** @brief Enable or disable event logging @param em elog_main_t * */ always_inline void elog_enable_disable (elog_main_t * em, int is_enabled) { em->n_total_events = 0; em->n_total_events_disable_limit = is_enabled ? ~0 : 0; } /** @brief disable logging after specified number of ievents have been logged. This is used as a "debug trigger" when a certain event has occurred. Events will be logged both before and after the "event" but the event will not be lost as long as N < RING_SIZE. @param em elog_main_t * @param n uword number of events before disabling event logging */ always_inline void elog_disable_after_events (elog_main_t * em, uword n) { em->n_total_events_disable_limit = em->n_total_events + n; } /* @brief mid-buffer logic-analyzer trigger Currently, only midpoint triggering is supported, but it's pretty obvious how to generalize the scheme. @param em elog_main_t * */ always_inline void elog_disable_trigger (elog_main_t * em) { em->n_total_events_disable_limit = em->n_total_events + vec_len (em->event_ring) / 2; } /** @brief register an event type @param em elog_main_t * @param t elog_event_type_t * event to register @return type index @warning Typically not called directly */ word elog_event_type_register (elog_main_t * em, elog_event_type_t * t); /** @brief register an event track @param em elog_main_t * @param t elog_track_t * track to register @return track index @note this function is often called directly */ word elog_track_register (elog_main_t * em, elog_track_t * t); /** @brief event logging enabled predicate @param em elog_main_t * @return 1 if enabled, 0 if not enabled */ always_inline uword elog_is_enabled (elog_main_t * em) { return em->n_total_events < em->n_total_events_disable_limit; } /** @brief Allocate an event to be filled in by the caller Not normally called directly; this function underlies the ELOG_DATA and ELOG_TRACK_DATA macros @param em elog_main_t * @param type elog_event_type_t * type @param track elog_track_t * track @param cpu_time u64 current cpu tick value @returns event to be filled in */ always_inline void * elog_event_data_inline (elog_main_t * em, elog_event_type_t * type, elog_track_t * track, u64 cpu_time) { elog_event_t *e; uword ei; word type_index, track_index; /* Return the user dummy memory to scribble data into. */ if (PREDICT_FALSE (!elog_is_enabled (em))) return em->dummy_event.data; type_index = (word) type->type_index_plus_one - 1; track_index = (word) track->track_index_plus_one - 1; if (PREDICT_FALSE ((type_index | track_index) < 0)) { if (type_index < 0) type_index = elog_event_type_register (em, type); if (track_index < 0) track_index = elog_track_register (em, track); } ASSERT (type_index < vec_len (em->event_types)); ASSERT (track_index < vec_len (em->tracks)); ASSERT (is_pow2 (vec_len (em->event_ring))); if (em->lock) ei = clib_smp_atomic_add (&em->n_total_events, 1); else ei = em->n_total_events++; ei &= em->event_ring_size - 1; e = vec_elt_at_index (em->event_ring, ei); e->time_cycles = cpu_time; e->type = type_index; e->track = track_index; /* Return user data for caller to fill in. */ return e->data; } /* External version of inline. */ void *elog_event_data (elog_main_t * em, elog_event_type_t * type, elog_track_t * track, u64 cpu_time); /** @brief Allocate an event to be filled in by the caller, non-inline Not normally called directly; this function underlies the ELOG_DATA and ELOG_TRACK_DATA macros @param em elog_main_t * @param type elog_event_type_t * type @param track elog_track_t * track @param cpu_time u64 current cpu tick value @returns event to be filled in */ always_inline void * elog_event_data_not_inline (elog_main_t * em, elog_event_type_t * type, elog_track_t * track, u64 cpu_time) { /* Return the user dummy memory to scribble data into. */ if (PREDICT_FALSE (!elog_is_enabled (em))) return em->dummy_event.data; return elog_event_data (em, type, track, cpu_time); } /** @brief Log a single-datum event @param em elog_main_t * @param type elog_event_type_t * type @param data u32 single datum to capture */ always_inline void elog (elog_main_t * em, elog_event_type_t * type, u32 data) { u32 *d = elog_event_data_not_inline (em, type, &em->default_track, clib_cpu_time_now ()); d[0] = data; } /** @brief Log a single-datum event, inline version @param em elog_main_t * @param type elog_event_type_t * type @param data u32 single datum to capture */ always_inline void elog_inline (elog_main_t * em, elog_event_type_t * type, u32 data) { u32 *d = elog_event_data_inline (em, type, &em->default_track, clib_cpu_time_now ()); d[0] = data; } /** @brief Log a single-datum event to a specific track, non-inline version @param em elog_main_t * @param type elog_event_type_t * type @param type elog_event_track_t * track @param data u32 single datum to capture */ always_inline void elog_track (elog_main_t * em, elog_event_type_t * type, elog_track_t * track, u32 data) { u32 *d = elog_event_data_not_inline (em, type, track, clib_cpu_time_now ()); d[0] = data; } /** @brief Log a single-datum event to a specific track @param em elog_main_t * @param type elog_event_type_t * type @param type elog_event_track_t * track @param data u32 single datum to capture */ always_inline void elog_track_inline (elog_main_t * em, elog_event_type_t * type, elog_track_t * track, u32 data) { u32 *d = elog_event_data_inline (em, type, track, clib_cpu_time_now ()); d[0] = data; } always_inline void * elog_data (elog_main_t * em, elog_event_type_t * type, elog_track_t * track) { return elog_event_data_not_inline (em, type, track, clib_cpu_time_now ()); } always_inline void * elog_data_inline (elog_main_t * em, elog_event_type_t * type, elog_track_t * track) { return elog_event_data_inline (em, type, track, clib_cpu_time_now ()); } /* Macro shorthands for generating/declaring events. */ #define __ELOG_TYPE_VAR(f) f #define __ELOG_TRACK_VAR(f) f #define ELOG_TYPE_DECLARE(f) static elog_event_type_t __ELOG_TYPE_VAR(f) #define ELOG_TYPE_INIT_FORMAT_AND_FUNCTION(fmt,func) \ { .format = fmt, .function = func, } #define ELOG_TYPE_INIT(fmt) \ ELOG_TYPE_INIT_FORMAT_AND_FUNCTION(fmt,(char *) __FUNCTION__) #define ELOG_TYPE_DECLARE_HELPER(f,fmt,func) \ static elog_event_type_t __ELOG_TYPE_VAR(f) = \ ELOG_TYPE_INIT_FORMAT_AND_FUNCTION (fmt, func) #define ELOG_TYPE_DECLARE_FORMAT_AND_FUNCTION(f,fmt) \ ELOG_TYPE_DECLARE_HELPER (f, fmt, (char *) __FUNCTION__) #define ELOG_TYPE_DECLARE_FORMAT(f,fmt) \ ELOG_TYPE_DECLARE_HELPER (f, fmt, 0) /* Shorthands with and without __FUNCTION__. D for decimal; X for hex. F for __FUNCTION__. */ #define ELOG_TYPE(f,fmt) ELOG_TYPE_DECLARE_FORMAT_AND_FUNCTION(f,fmt) #define ELOG_TYPE_D(f) ELOG_TYPE_DECLARE_FORMAT (f, #f " %d") #define ELOG_TYPE_X(f) ELOG_TYPE_DECLARE_FORMAT (f, #f " 0x%x") #define ELOG_TYPE_DF(f) ELOG_TYPE_DECLARE_FORMAT_AND_FUNCTION (f, #f " %d") #define ELOG_TYPE_XF(f) ELOG_TYPE_DECLARE_FORMAT_AND_FUNCTION (f, #f " 0x%x") #define ELOG_TYPE_FD(f) ELOG_TYPE_DECLARE_FORMAT_AND_FUNCTION (f, #f " %d") #define ELOG_TYPE_FX(f) ELOG_TYPE_DECLARE_FORMAT_AND_FUNCTION (f, #f " 0x%x") #define ELOG_TRACK_DECLARE(f) static elog_track_t __ELOG_TRACK_VAR(f) #define ELOG_TRACK(f) ELOG_TRACK_DECLARE(f) = { .name = #f, } /* Log 32 bits of data. */ #define ELOG(em,f,data) elog ((em), &__ELOG_TYPE_VAR(f), data) #define ELOG_INLINE(em,f,data) elog_inline ((em), &__ELOG_TYPE_VAR(f), data) /* Return data pointer to fill in. */ #define ELOG_TRACK_DATA(em,f,track) \ elog_data ((em), &__ELOG_TYPE_VAR(f), &__ELOG_TRACK_VAR(track)) #define ELOG_TRACK_DATA_INLINE(em,f,track) \ elog_data_inline ((em), &__ELOG_TYPE_VAR(f), &__ELOG_TRACK_VAR(track)) /* Shorthand with default track. */ #define ELOG_DATA(em,f) elog_data ((em), &__ELOG_TYPE_VAR (f), &(em)->default_track) #define ELOG_DATA_INLINE(em,f) elog_data_inline ((em), &__ELOG_TYPE_VAR (f), &(em)->default_track) /** @brief add a string to the event-log string table Often combined with hashing and the T4 elog format specifier to display complex strings in offline tooling @param em elog_main_t * @param format char * @param VARARGS @return u32 index to add to event log */ u32 elog_string (elog_main_t * em, char *format, ...); void elog_time_now (elog_time_stamp_t * et); /** @brief convert event ring events to events, and return them as a vector. @param em elog_main_t * @return event vector with timestamps in f64 seconds @note sets em->events to resulting vector. */ elog_event_t *elog_get_events (elog_main_t * em); /** @brief convert event ring events to events, and return them as a vector. @param em elog_main_t * @return event vector with timestamps in f64 seconds @note no side effects */ elog_event_t *elog_peek_events (elog_main_t * em); /* Merge two logs, add supplied track tags. */ void elog_merge (elog_main_t * dst, u8 * dst_tag, elog_main_t * src, u8 * src_tag, f64 align_tweak); /* 2 arguments elog_main_t and elog_event_t to format event or track name. */ u8 *format_elog_event (u8 * s, va_list * va); u8 *format_elog_track (u8 * s, va_list * va); void serialize_elog_main (serialize_main_t * m, va_list * va); void unserialize_elog_main (serialize_main_t * m, va_list * va); void elog_init (elog_main_t * em, u32 n_events); void elog_alloc (elog_main_t * em, u32 n_events); #ifdef CLIB_UNIX always_inline clib_error_t * elog_write_file (elog_main_t * em, char *unix_file, int flush_ring) { serialize_main_t m; clib_error_t *error; error = serialize_open_unix_file (&m, unix_file); if (error) return error; error = serialize (&m, serialize_elog_main, em, flush_ring); if (!error) serialize_close (&m); return error; } always_inline clib_error_t * elog_read_file (elog_main_t * em, char *unix_file) { serialize_main_t m; clib_error_t *error; error = unserialize_open_unix_file (&m, unix_file); if (error) return error; error = unserialize (&m, unserialize_elog_main, em); if (!error) unserialize_close (&m); return error; } #endif /* CLIB_UNIX */ #endif /* included_clib_elog_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */