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experiments/cpu_pstate_latencies.py: Support t8112

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Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2022-06-28 01:39:51 +09:00
parent 1ac6c7659d
commit 4856e37a79
1 changed files with 17 additions and 12 deletions
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25
proxyclient/experiments/cpu_pstate_latencies.py
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@ -12,19 +12,24 @@ tfreq = u.mrs(CNTFRQ_EL0)
TEST_CPUS = [1, 4] TEST_CPUS = [1, 4]
CREG = [ CLUSTER_PSTATE = 0x20020
CLUSTER_STATUS = 0x20050
if u.adt["/chosen"].chip_id == 0x8103:
CREG = [
0x210e00000, 0x210e00000,
0x211e00000, 0x211e00000,
] ]
CLUSTER_PSTATE = 0x20020 MAX_PSTATE = [5, 15]
MAX_PSTATE = [5, 15] elif u.adt["/chosen"].chip_id == 0x8112:
CREG = [
0x210e00000,
0x211e00000,
]
# e-core pstates MAX_PSTATE = [7, 17]
# 600 972 1332 1704 2064
# p-core pstates
# 600 828 1056 1284 1500 1728 1956 2184 2388 2592 2772 2988 3096 3144 3204
code = u.malloc(0x1000) code = u.malloc(0x1000)
@ -88,7 +93,7 @@ def bench_cpu(idx, loops=10000000):
return mhz return mhz
def set_pstate(cluster, pstate): def set_pstate(cluster, pstate):
p.mask64(CREG[cluster] + CLUSTER_PSTATE, 0xf00f, (1<<25) | pstate | (pstate << 12)) p.mask64(CREG[cluster] + CLUSTER_PSTATE, 0x1f01f, (1<<25) | pstate | (pstate << 12))
print() print()
@ -100,7 +105,7 @@ def bench_latency(cluster, cpu, from_pstate, to_pstate, verbose=False):
bench_cpu(cpu) bench_cpu(cpu)
p.smp_call(cpu, util.timelog, logbuf, LOG_ITERS) p.smp_call(cpu, util.timelog, logbuf, LOG_ITERS)
psreg = (p.read64(CREG[cluster] + CLUSTER_PSTATE) & ~0xf00f) | (1<<25) | to_pstate | (to_pstate << 12) psreg = (p.read64(CREG[cluster] + CLUSTER_PSTATE) & ~0x1f001f) | (1<<25) | to_pstate | (to_pstate << 12)
tval = p.call(util.signal_and_write, CREG[cluster] + CLUSTER_PSTATE, psreg) tval = p.call(util.signal_and_write, CREG[cluster] + CLUSTER_PSTATE, psreg)
p.smp_wait(cpu) p.smp_wait(cpu)