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| author | Louis Burda <quent.burda@gmail.com> | 2023-01-27 00:01:09 +0100 |
|---|---|---|
| committer | Louis Burda <quent.burda@gmail.com> | 2023-01-27 00:55:29 +0100 |
| commit | 1f418a1c4480cef90b8596ae17bdca9cc7ca1b88 (patch) | |
| tree | b0358e4febd22c65612c80fa93cfaeb0a3510053 /test/qemu-eviction.c | |
| parent | 5e21196a9c7ee8eee921d74f6b5eef2f1980ec97 (diff) | |
| download | cachepc-1f418a1c4480cef90b8596ae17bdca9cc7ca1b88.tar.gz cachepc-1f418a1c4480cef90b8596ae17bdca9cc7ca1b88.zip | |
Added initial qemu-eviction and qemu-pagestep
Qemu-eviction seems to get stuck somewhere, potentially in the VC-handler(?) since we use the active gfn after resuming execution. Added qemu-pagestep to show viability of page-stepping for later use.
Diffstat (limited to 'test/qemu-eviction.c')
| -rw-r--r-- | test/qemu-eviction.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/test/qemu-eviction.c b/test/qemu-eviction.c index a602bef..016ee9e 100644 --- a/test/qemu-eviction.c +++ b/test/qemu-eviction.c @@ -15,9 +15,6 @@ #include <stdio.h> #include <stdlib.h> -#define TARGET_CORE 2 -#define SECONDARY_CORE 3 - static struct cpc_event event; int @@ -32,6 +29,7 @@ monitor(bool baseline) switch (event.type) { case CPC_EVENT_GUEST: + printf("Guest event: %i\n", event.guest.type); if (event.guest.type == CPC_GUEST_STOP_TRACK) return 2; break; @@ -40,7 +38,7 @@ monitor(bool baseline) if (ret) err(1, "KVM_CPC_READ_COUNTS"); printf("Event: rip:%016llx cnt:%llu " - "inst:%08llu data:%08llx ret:%llu\n", + "inst:%08llx data:%08llx ret:%llu\n", vm_get_rip(), event.step.fault_count, event.step.fault_gfns[0], event.step.fault_gfns[1], event.step.retinst); @@ -74,12 +72,8 @@ main(int argc, const char **argv) uint8_t baseline[L1_SETS]; uint32_t eventcnt; uint32_t arg; - pid_t qemu; int ret; - qemu = pgrep("qemu-system-x86_64"); - if (!qemu) errx(1, "pgrep failed"); - pin_process(0, SECONDARY_CORE, true); setvbuf(stdout, NULL, _IONBF, 0); @@ -93,7 +87,7 @@ main(int argc, const char **argv) ret = ioctl(kvm_dev, KVM_CPC_CALC_BASELINE, &arg); if (ret) err(1, "KVM_CPC_CALC_BASELINE"); - arg = CPC_TRACK_STEPS; + arg = CPC_TRACK_STEPS_AND_FAULTS; ret = ioctl(kvm_dev, KVM_CPC_TRACK_MODE, &arg); if (ret) err(1, "KVM_CPC_RESET"); |