diff options
Diffstat (limited to 'contrib/gen_autofdo_event.py')
| -rwxr-xr-x | contrib/gen_autofdo_event.py | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/contrib/gen_autofdo_event.py b/contrib/gen_autofdo_event.py index 4364e5c..b1d373f 100755 --- a/contrib/gen_autofdo_event.py +++ b/contrib/gen_autofdo_event.py @@ -138,8 +138,16 @@ if [ "$1" = "--all" ] ; then shift fi -if ! grep -q Intel /proc/cpuinfo ; then - echo >&2 "Only Intel CPUs supported" +if grep -q AuthenticAMD /proc/cpuinfo ; then + vendor=AMD + if ! grep -q " brs" /proc/cpuinfo && ! grep -q amd_lbr_v2 /proc/cpuinfo ; then + echo >&2 "AMD CPU with brs (Zen 3) or amd_lbr_v2 (Zen 4+) feature is required" + exit 1 + fi +elif grep -q Intel /proc/cpuinfo ; then + vendor=Intel +else + echo >&2 "Only AMD and Intel CPUs supported" exit 1 fi @@ -147,7 +155,7 @@ if grep -q hypervisor /proc/cpuinfo ; then echo >&2 "Warning: branch profiling may not be functional in VMs" fi -case `grep -E -q "^cpu family\s*: 6" /proc/cpuinfo && +case `test $vendor = Intel && grep -E -q "^cpu family\s*: 6" /proc/cpuinfo && grep -E "^model\s*:" /proc/cpuinfo | head -n1` in''') for event, mod in eventmap.items(): for m in mod[:-1]: @@ -156,8 +164,13 @@ case `grep -E -q "^cpu family\s*: 6" /proc/cpuinfo && print(r'''*) if perf list br_inst_retired | grep -q br_inst_retired.near_taken ; then E=br_inst_retired.near_taken:p + elif perf list ex_ret_brn_tkn | grep -q ex_ret_brn_tkn ; then + E=ex_ret_brn_tkn:P$FLAGS + elif $vendor = Intel ; then +echo >&2 "Unknown Intel CPU. Run contrib/gen_autofdo_event.py --all --script to update script." + exit 1 else -echo >&2 "Unknown CPU. Run contrib/gen_autofdo_event.py --all --script to update script." +echo >&2 "AMD CPU without support for ex_ret_brn_tkn event" exit 1 fi ;;''') print(r"esac") |