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event: Repack struct spdk_reactor

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Get all of the important stuff into the first cache line.

Change-Id: I5bbfb031bb1d693019abb9e5145579d0b867eaf5
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/465994
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
This commit is contained in:
Ben Walker 2019-08-21 14:18:20 -07:00
parent 3cba062b86
commit 7f9c41bee0
1 changed files with 11 additions and 8 deletions
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19
lib/event/reactor.c
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@ -66,18 +66,21 @@ struct spdk_lw_thread {
};
struct spdk_reactor {
/* Logical core number for this reactor. */
uint32_t lcore;
/* Lightweight threads running on this reactor */
TAILQ_HEAD(, spdk_lw_thread) threads;
/* The last known rusage values */
struct rusage rusage;
/* Logical core number for this reactor. */
uint32_t lcore;
struct {
uint32_t is_valid : 1;
uint32_t reserved : 31;
} flags;
struct spdk_ring *events;
bool is_valid;
/* The last known rusage values */
struct rusage rusage;
} __attribute__((aligned(64)));
static struct spdk_reactor *g_reactors;
@ -92,7 +95,7 @@ static void
spdk_reactor_construct(struct spdk_reactor *reactor, uint32_t lcore)
{
reactor->lcore = lcore;
reactor->is_valid = true;
reactor->flags.is_valid = true;
TAILQ_INIT(&reactor->threads);
@ -112,7 +115,7 @@ spdk_reactor_get(uint32_t lcore)
reactor = &g_reactors[lcore];
if (reactor->is_valid == false) {
if (reactor->flags.is_valid == false) {
return NULL;
}