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Diffstat (limited to 'gitlab/issues/target_arm/host_missing/accel_TCG/2183.toml')
| -rw-r--r-- | gitlab/issues/target_arm/host_missing/accel_TCG/2183.toml | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/gitlab/issues/target_arm/host_missing/accel_TCG/2183.toml b/gitlab/issues/target_arm/host_missing/accel_TCG/2183.toml deleted file mode 100644 index 168d7f4a9..000000000 --- a/gitlab/issues/target_arm/host_missing/accel_TCG/2183.toml +++ /dev/null @@ -1,28 +0,0 @@ -id = 2183 -title = "aarch-64 emulation much slower since release 8.1.5 (issue also present on 8.2.1)" -state = "closed" -created_at = "2024-02-21T15:44:41.226Z" -closed_at = "2024-04-12T13:30:03.954Z" -labels = ["accel: TCG", "target: arm"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2183" -host-os = "RockyLinux 8" -host-arch = "x86" -qemu-version = "8.1.5" -guest-os = "Linux" -guest-arch = "ARM" -description = """Since QEMU 8.1.5 our aarch64 based emulation got much slower. We use a linux 5.4 kernel which we cross-compile with the ARM toolchain. Things that are noticable: -- Boot time got a lot longer -- All memory accesses seem to take 3x longer (can be verified by e.g. executing below script, address does not matter): -``` -date -for i in $(seq 0 1000); do - devmem 0x200000000 2>/dev/null -done -date -```""" -reproduce = """Just boot an ARM based kernel on the virt machine and execute above script.""" -additional = """I've tried reproducing the issue on the master branch. There the issue is not present. It only seems to be present on releases 8.1.5 and 8.2.1. - -I've narrowed the problem down to following commit on the 8.2 branch (@bonzini): ef74024b76bf285e247add8538c11cb3c7399a1a accel/tcg: Revert mapping of PCREL translation block to multiple virtual addresses. - -Let me know if any other information / tests are required.""" |