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[core] store int* ptr to common gw status counters 

(avoid repeated table lookups)
This commit is contained in:
Glenn Strauss 2021-05-16 21:42:17 -04:00
parent 2d6c511d23
commit 80848d3708
2 changed files with 34 additions and 15 deletions
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43
src/gw_backend.c
View File

@ -52,9 +52,11 @@ static int * gw_status_get_counter(gw_host *host, gw_proc *proc, const char *tag
memcpy(label, "gw.backend.", llen);
len = buffer_string_length(host->id);
force_assert(len < sizeof(label) - llen);
memcpy(label+llen, host->id->ptr, len);
llen += len;
if (len) {
force_assert(len < sizeof(label) - llen);
memcpy(label+llen, host->id->ptr, len);
llen += len;
}
if (proc) {
force_assert(llen < sizeof(label) - (LI_ITOSTRING_LENGTH + 1));
@ -75,34 +77,45 @@ static void gw_proc_tag_inc(gw_host *host, gw_proc *proc, const char *tag, size_
++(*gw_status_get_counter(host, proc, tag, len));
}
static void gw_proc_load_inc(gw_host *host, gw_proc *proc) {
*gw_status_get_counter(host, proc, CONST_STR_LEN(".load")) = ++proc->load;
static void gw_proc_connected_inc(gw_host *host, gw_proc *proc) {
UNUSED(host);
++(*proc->stats_connected); /* "gw.backend...connected" */
}
status_counter_inc(CONST_STR_LEN("gw.active-requests"));
static void gw_proc_load_inc(gw_host *host, gw_proc *proc) {
*proc->stats_load = ++proc->load; /* "gw.backend...load" */
++(*host->stats_global_active); /* "gw.active-requests" */
}
static void gw_proc_load_dec(gw_host *host, gw_proc *proc) {
*gw_status_get_counter(host, proc, CONST_STR_LEN(".load")) = --proc->load;
status_counter_dec(CONST_STR_LEN("gw.active-requests"));
*proc->stats_load = --proc->load; /* "gw.backend...load" */
--(*host->stats_global_active); /* "gw.active-requests" */
}
static void gw_host_assign(gw_host *host) {
*gw_status_get_counter(host, NULL, CONST_STR_LEN(".load")) = ++host->load;
*host->stats_load = ++host->load; /* "gw.backend...load" */
}
static void gw_host_reset(gw_host *host) {
*gw_status_get_counter(host, NULL, CONST_STR_LEN(".load")) = --host->load;
*host->stats_load = --host->load; /* "gw.backend...load" */
}
static int gw_status_init(gw_host *host, gw_proc *proc) {
*gw_status_get_counter(host, proc, CONST_STR_LEN(".disabled")) = 0;
*gw_status_get_counter(host, proc, CONST_STR_LEN(".died")) = 0;
*gw_status_get_counter(host, proc, CONST_STR_LEN(".overloaded")) = 0;
*gw_status_get_counter(host, proc, CONST_STR_LEN(".connected")) = 0;
*gw_status_get_counter(host, proc, CONST_STR_LEN(".load")) = 0;
proc->stats_connected =
gw_status_get_counter(host, proc, CONST_STR_LEN(".connected"));
*proc->stats_connected = 0;
proc->stats_load =
gw_status_get_counter(host, proc, CONST_STR_LEN(".load"));
*proc->stats_load = 0;
*gw_status_get_counter(host, NULL, CONST_STR_LEN(".load")) = 0;
host->stats_load =
gw_status_get_counter(host, NULL, CONST_STR_LEN(".load"));
*host->stats_load = 0;
host->stats_global_active =
status_counter_get_counter(CONST_STR_LEN("gw.active-requests"));
return 0;
}
@ -221,7 +234,7 @@ static int gw_extension_insert(gw_exts *ext, const buffer *key, gw_host *fh) {
}
static void gw_proc_connect_success(gw_host *host, gw_proc *proc, int debug, request_st * const r) {
gw_proc_tag_inc(host, proc, CONST_STR_LEN(".connected"));
gw_proc_connected_inc(host, proc); /*(".connected")*/
proc->last_used = log_monotonic_secs;
if (debug) {

6
src/gw_backend.h
View File

@ -44,6 +44,9 @@ typedef struct gw_proc {
PROC_STATE_DIED, /* marked as dead, should be restarted */
PROC_STATE_KILLED /* killed (signal sent to proc) */
} state;
int *stats_load;
int *stats_connected;
} gw_proc;
typedef struct {
@ -211,6 +214,9 @@ typedef struct {
int refcount;
char_array args;
int *stats_load;
int *stats_global_active;
} gw_host;
/*