X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fhealth.h;h=91a90706a77928acbcaa2fdd83bf8b958f69e7c1;hp=b268860156aa4e1c2e24db3fd2acb9600e5ed640;hb=927ca06aed61ff6dd3f64ae71854f2d7f9acebe5;hpb=139ac87245fd1ca18d60a0efca32b50e4c1d8730 diff --git a/src/bin/lttng-sessiond/health.h b/src/bin/lttng-sessiond/health.h index b26886015..91a90706a 100644 --- a/src/bin/lttng-sessiond/health.h +++ b/src/bin/lttng-sessiond/health.h @@ -18,8 +18,12 @@ #ifndef _HEALTH_H #define _HEALTH_H -#include +#include +#include +#include +#include #include +#include /* * These are the value added to the current state depending of the position in @@ -31,23 +35,44 @@ #define HEALTH_IS_IN_POLL(x) ((x) & HEALTH_POLL_VALUE) enum health_flags { - HEALTH_EXIT = (1U << 0), - HEALTH_ERROR = (1U << 1), + HEALTH_ERROR = (1U << 0), +}; + +enum health_type { + HEALTH_TYPE_CMD = 0, + HEALTH_TYPE_APP_MANAGE = 1, + HEALTH_TYPE_APP_REG = 2, + HEALTH_TYPE_KERNEL = 3, + HEALTH_TYPE_CONSUMER = 4, + + HEALTH_NUM_TYPE, +}; + +struct health_tls_state_list { + struct cds_list_head head; }; struct health_state { /* - * last counter is only read and updated by the health_check + * last counter and last_time are only read and updated by the health_check * thread (single updater). */ unsigned long last; + struct timespec last_time; + /* * current and flags are updated by multiple threads concurrently. */ unsigned long current; /* progress counter, updated atomically */ enum health_flags flags; /* other flags, updated atomically */ + enum health_type type; /* Indicates the nature of the thread. */ + /* Node of the global TLS state list. */ + struct cds_list_head node; }; +/* Declare TLS health state. */ +extern DECLARE_URCU_TLS(struct health_state, health_state); + /* Health state counters for the client command thread */ extern struct health_state health_thread_cmd; @@ -66,8 +91,7 @@ extern struct health_state health_thread_kernel; */ static inline void health_poll_update(struct health_state *state) { - assert(state); - uatomic_add(&state->current, HEALTH_POLL_VALUE); + uatomic_add(&URCU_TLS(health_state).current, HEALTH_POLL_VALUE); } /* @@ -76,17 +100,7 @@ static inline void health_poll_update(struct health_state *state) */ static inline void health_code_update(struct health_state *state) { - assert(state); - uatomic_add(&state->current, HEALTH_CODE_VALUE); -} - -/* - * Set health "exit" flag. - */ -static inline void health_exit(struct health_state *state) -{ - assert(state); - uatomic_or(&state->flags, HEALTH_EXIT); + uatomic_add(&URCU_TLS(health_state).current, HEALTH_CODE_VALUE); } /* @@ -94,21 +108,11 @@ static inline void health_exit(struct health_state *state) */ static inline void health_error(struct health_state *state) { - assert(state); - uatomic_or(&state->flags, HEALTH_ERROR); -} - -/* - * Init health state. - */ -static inline void health_init(struct health_state *state) -{ - assert(state); - uatomic_set(&state->last, 0); - uatomic_set(&state->current, 0); - uatomic_set(&state->flags, 0); + uatomic_or(&URCU_TLS(health_state).flags, HEALTH_ERROR); } -int health_check_state(struct health_state *state); +int health_check_state(enum health_type type); +void health_register(enum health_type type); +void health_unregister(void); #endif /* _HEALTH_H */