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Write some lock contention tests

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This commit is contained in:
Justine Tunney 2022-06-16 09:06:09 -07:00
parent 42c38bc3e3
commit c06ffd458c
19 changed files with 205 additions and 76 deletions
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13
tool/build/mkdeps.c
View file

@ -30,6 +30,7 @@
#include "libc/fmt/fmt.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/spinlock.h"
#include "libc/intrin/wait0.internal.h"
#include "libc/log/check.h"
#include "libc/log/log.h"
#include "libc/macros.internal.h"
@ -131,10 +132,10 @@ struct Sauce *sauces;
struct Strings strings;
struct Sources sources;
const char *buildroot;
_Alignas(64) int galock;
_Alignas(64) int readlock;
_Alignas(64) int writelock;
_Alignas(64) int reportlock;
_Alignas(64) char galock;
_Alignas(64) char readlock;
_Alignas(64) char writelock;
_Alignas(64) char reportlock;
unsigned Hash(const void *s, size_t l) {
return max(1, crc32c(0, s, l));
@ -316,7 +317,7 @@ void LoadRelationships(int argc, char *argv[]) {
}
}
for (i = 0; i < threads; ++i) {
_spinlock((int *)(tls[i] + 0x38));
_wait0((int *)(tls[i] + 0x38));
}
getargs_destroy(&ga);
}
@ -431,7 +432,7 @@ void Explore(void) {
}
}
for (i = 0; i < threads; ++i) {
_spinlock((int *)(tls[i] + 0x38));
_wait0((int *)(tls[i] + 0x38));
}
}

3
tool/build/wastecpu.c
View file

@ -18,6 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/sigaction.h"
#include "libc/intrin/spinlock.h"
#include "libc/intrin/wait0.internal.h"
#include "libc/log/log.h"
#include "libc/mem/mem.h"
#include "libc/nexgen32e/threaded.h"
@ -71,7 +72,7 @@ int main(int argc, char *argv[]) {
usleep(1000);
}
for (i = 0; i < n; ++i) {
_spinlock((int *)(tls[i] + 0x38));
_wait0((int *)(tls[i] + 0x38));
free(tls[i]);
}
}

5
tool/net/redbean.c
View file

@ -36,6 +36,7 @@
#include "libc/fmt/itoa.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/nomultics.internal.h"
#include "libc/intrin/wait0.internal.h"
#include "libc/log/check.h"
#include "libc/log/log.h"
#include "libc/macros.internal.h"
@ -6357,7 +6358,7 @@ static int ExitWorker(void) {
}
if (monitortty) {
terminatemonitor = true;
_spinlock(monitortid);
_wait0(monitortid);
}
_Exit(0);
}
@ -7295,7 +7296,7 @@ void RedBean(int argc, char *argv[]) {
if (!IsTiny()) {
if (monitortty) {
terminatemonitor = true;
_spinlock(monitortid);
_wait0(monitortid);
munmap(monitorstack, GetStackSize());
free(monitortls);
}