我在Ubuntu 20下有一个VPS，运行php（php-fpm），从ppa：ondrej/php repo中以普通方式安装。它默认启用了Opcache，我希望像这样的服务器在不超过80毫秒的时间内完成请求（例如默认的Laravel页面）。但实际上它超过750毫秒（根据Clockwork）。这不可能是对的。
设置很多，你能告诉我从哪里开始调整吗？
配置的一些部分可能很重要：

APCu Support    Enabled
Version 5.1.22
APCu Debugging  Disabled
MMAP Support    Enabled
MMAP File Mask  no value
Serialization Support   php
apc.coredump_unmap  Off Off
apc.enable_cli  Off Off
apc.enabled On  On
apc.entries_hint    4096    4096
apc.gc_ttl  3600    3600
apc.mmap_file_mask  no value    no value
apc.preload_path    no value    no value
apc.serializer  php php
apc.shm_segments    1   1
apc.shm_size    32M 32M
apc.slam_defense    Off Off
apc.smart   0   0
apc.ttl 0   0
apc.use_request_time    Off Off

...

Opcode Caching  Up and Running
Optimization    Enabled
SHM Cache   Enabled
File Cache  Disabled
JIT Disabled
Startup OK
Shared memory model mmap
Cache hits  582
Cache misses    654
Used memory 24600512
Free memory 109617216
Wasted memory   0
Interned Strings Used memory    5320360
Interned Strings Free memory    3068248
Cached scripts  654
Cached keys 1246
Max keys    16229
OOM restarts    0
Hash keys restarts  0
Manual restarts 0
Directive   Local Value Master Value
opcache.blacklist_filename  no value    no value
opcache.consistency_checks  0   0
opcache.dups_fix    Off Off
opcache.enable  On  On
opcache.enable_cli  Off Off
opcache.enable_file_override    Off Off
opcache.error_log   no value    no value
opcache.file_cache  no value    no value
opcache.file_cache_consistency_checks   On  On
opcache.file_cache_only Off Off
opcache.file_update_protection  2   2
opcache.force_restart_timeout   180 180
opcache.huge_code_pages Off Off
opcache.interned_strings_buffer 8   8
opcache.jit tracing tracing
opcache.jit_bisect_limit    0   0
opcache.jit_blacklist_root_trace    16  16
opcache.jit_blacklist_side_trace    8   8
opcache.jit_buffer_size 0   0
opcache.jit_debug   0   0
opcache.jit_hot_func    127 127
opcache.jit_hot_loop    64  64
opcache.jit_hot_return  8   8
opcache.jit_hot_side_exit   8   8
opcache.jit_max_exit_counters   8192    8192
opcache.jit_max_loop_unrolls    8   8
opcache.jit_max_polymorphic_calls   2   2
opcache.jit_max_recursive_calls 2   2
opcache.jit_max_recursive_returns   2   2
opcache.jit_max_root_traces 1024    1024
opcache.jit_max_side_traces 128 128
opcache.jit_prof_threshold  0.005   0.005
opcache.lockfile_path   /tmp    /tmp
opcache.log_verbosity_level 1   1
opcache.max_accelerated_files   10000   10000
opcache.max_file_size   0   0
opcache.max_wasted_percentage   5   5
opcache.memory_consumption  128 128
opcache.opt_debug_level 0   0
opcache.optimization_level  0x7FFEBFFF  0x7FFEBFFF
opcache.preferred_memory_model  no value    no value
opcache.preload no value    no value
opcache.preload_user    no value    no value
opcache.protect_memory  Off Off
opcache.record_warnings Off Off
opcache.restrict_api    no value    no value
opcache.revalidate_freq 2   2
opcache.revalidate_path Off Off
opcache.save_comments   On  On
opcache.use_cwd On  On
opcache.validate_permission Off Off
opcache.validate_root   On  On
opcache.validate_timestamps On  On

谢谢