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Merging upstream version 0.7.1 (Closes: #991419).

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-09 07:39:31 +01:00
parent 05c588e9d7
commit 9e09e0ef69
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
99 changed files with 6727 additions and 943 deletions
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28
regressions/ck_epoch/validate/torture.c
View file

@ -31,8 +31,8 @@
#include <unistd.h>
#include <ck_cc.h>
#include <ck_pr.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stddef.h>
#include <string.h>
#include <ck_epoch.h>
#include <ck_stack.h>
@ -119,7 +119,7 @@ read_thread(void *unused CK_CC_UNUSED)
record = malloc(sizeof *record);
assert(record != NULL);
ck_epoch_register(&epoch, record);
ck_epoch_register(&epoch, record, NULL);
if (aff_iterate(&a)) {
perror("ERROR: failed to affine thread");
@ -147,10 +147,11 @@ write_thread(void *unused CK_CC_UNUSED)
ck_epoch_record_t *record;
unsigned long iterations = 0;
bool c = ck_pr_faa_uint(&first, 1);
uint64_t ac = 0;
record = malloc(sizeof *record);
assert(record != NULL);
ck_epoch_register(&epoch, record);
ck_epoch_register(&epoch, record, NULL);
if (aff_iterate(&a)) {
perror("ERROR: failed to affine thread");
@ -160,6 +161,12 @@ write_thread(void *unused CK_CC_UNUSED)
ck_pr_inc_uint(&barrier);
while (ck_pr_load_uint(&barrier) < n_threads);
#define CK_EPOCH_S do { \
uint64_t _s = rdtsc(); \
ck_epoch_synchronize(record); \
ac += rdtsc() - _s; \
} while (0)
do {
/*
* A thread should never observe invalid.value > valid.value.
@ -167,33 +174,34 @@ write_thread(void *unused CK_CC_UNUSED)
* invalid.value <= valid.value is valid.
*/
if (!c) ck_pr_store_uint(&valid.value, 1);
ck_epoch_synchronize(record);
CK_EPOCH_S;
if (!c) ck_pr_store_uint(&invalid.value, 1);
ck_pr_fence_store();
if (!c) ck_pr_store_uint(&valid.value, 2);
ck_epoch_synchronize(record);
CK_EPOCH_S;
if (!c) ck_pr_store_uint(&invalid.value, 2);
ck_pr_fence_store();
if (!c) ck_pr_store_uint(&valid.value, 3);
ck_epoch_synchronize(record);
CK_EPOCH_S;
if (!c) ck_pr_store_uint(&invalid.value, 3);
ck_pr_fence_store();
if (!c) ck_pr_store_uint(&valid.value, 4);
ck_epoch_synchronize(record);
CK_EPOCH_S;
if (!c) ck_pr_store_uint(&invalid.value, 4);
ck_epoch_synchronize(record);
CK_EPOCH_S;
if (!c) ck_pr_store_uint(&invalid.value, 0);
ck_epoch_synchronize(record);
CK_EPOCH_S;
iterations += 4;
iterations += 6;
} while (ck_pr_load_uint(&leave) == 0 &&
ck_pr_load_uint(&n_rd) > 0);
fprintf(stderr, "%lu iterations\n", iterations);
fprintf(stderr, "%" PRIu64 " average latency\n", ac / iterations);
return NULL;
}