Linux cnnsquid2 2.6.7-cnn.1smp #1 SMP Wed Jun 16 13:41:14 EDT 2004 x86_64 x86_64 x86_64 GNU/Linux
Using leader mpm. I patched apr_atomics so that atomics work on x84_64
The serving is serving ~27k requests per second:
Are there optimizations to apr_palloc in 2.1, this seems to be a good place to optimize.
CPU: AMD64 processors, speed 2193.21 MHz (estimated)
Counted CPU_CLK_UNHALTED events (Cycles outside of halt state) with a unit mask of 0x00 (No unit mask) count 100000
samples % image name symbol name
309339 6.5157 libc-2.3.3.so __GI_memcpy
253711 5.3440 libc-2.3.3.so __GI_strlen
135260 2.8490 libc-2.3.3.so __GI___strcasecmp
112265 2.3647 libapr-0.so.0.9.5 apr_palloc
89160 1.8780 libc-2.3.3.so __GI_memset
85604 1.8031 httpd core_input_filter
84395 1.7776 libaprutil-0.so.0.9.5 apr_brigade_create
83813 1.7654 libapr-0.so.0.9.5 apr_table_setn
82846 1.7450 httpd match
82736 1.7427 libapr-0.so.0.9.5 apr_table_get
81288 1.7122 httpd pcre_exec
81011 1.7064 libaprutil-0.so.0.9.5 apr_brigade_writev
71233 1.5004 httpd net_time_filter
70346 1.4817 httpd core_output_filter
68436 1.4415 mod_setenvif.so match_headers
65654 1.3829 libapr-0.so.0.9.5 apr_vformatter
61061 1.2861 libc-2.3.3.so __GI_memchr
58134 1.2245 httpd ap_rgetline_core
57236 1.2056 httpd ap_getword_white
57038 1.2014 libaprutil-0.so.0.9.5 apr_brigade_split_line
55767 1.1746 libapr-0.so.0.9.5 apr_pool_cleanup_register
52988 1.1161 mod_log_config.so config_log_transaction
48604 1.0238 httpd ap_escape_logitem
46163 0.9723 libapr-0.so.0.9.5 allocator_alloc
45412 0.9565 libaprutil-0.so.0.9.5 apr_brigade_cleanup
45172 0.9515 libpthread-0.61.so __pthread_mutex_lock_internal
41772 0.8799 mod_url_cache.so url_cache_handler
40048 0.8435 libaprutil-0.so.0.9.5 MD5Transform
39382 0.8295 httpd ap_read_request
39253 0.8268 libapr-0.so.0.9.5 apr_socket_timeout_set
38626 0.8136 libpthread-0.61.so __libc_read
38383 0.8085 libaprutil-0.so.0.9.5 apr_uri_parse
38003 0.8005 httpd add_any_filter_handle
36614 0.7712 libapr-0.so.0.9.5 apr_poll
36360 0.7659 libaprutil-0.so.0.9.5 apr_bucket_heap_make
35417 0.7460 libapr-0.so.0.9.5 apr_socket_recv
34016 0.7165 mod_url_cache.so parse_cache_headers
32330 0.6810 libaprutil-0.so.0.9.5 apr_bucket_heap_create
31767 0.6691 httpd ap_http_header_filter
31348 0.6603 httpd ap_process_http_connection
29833 0.6284 libapr-0.so.0.9.5 apr_table_addn
29288 0.6169 libaprutil-0.so.0.9.5 heap_bucket_read
29273 0.6166 httpd anonymous symbol from section .plt
29122 0.6134 libaprutil-0.so.0.9.5 socket_bucket_read
29038 0.6116 libaprutil-0.so.0.9.5 apr_bucket_free
28632 0.6031 httpd ap_get_brigade
27897 0.5876 libapr-0.so.0.9.5 apr_pstrcat
27196 0.5728 libaprutil-0.so.0.9.5 heap_bucket_destroy
26658 0.5615 libaprutil-0.so.0.9.5 file_bucket_read
-- Brian Akins Senior Systems Engineer CNN Internet Technologies
