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csperf: Client Server Performance measurement tool.

License: GNU Lesser General Public License v3.0

Makefile 6.43% C 77.23% Shell 13.35% Python 2.18% C++ 0.29% CMake 0.10% M4 0.43%

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csperf's Issues

Add licence

Add stricter check for building

Incorrect stats is shown when running with multiple clients

Client doesn't display anything when running with one connection and server is not present

Use the new logging APIs

Provide client ID for each connections on the client side

Functionality for Doubly linked list

Provide logging facility

Make the build work for OSx

With open files as 1025, parallel connections face issues

[root@localhost csperf]# csperf -c 10.1.1.135 -C 2000 -P 200
Starting test. Please wait...
10% completed...
20% completed...
30% completed...
40% completed...
50% completed...
60% completed...
70% completed...
80% completed...
90% completed...
100% completed...
Test summary
-------------
Total connections attempted: 1736
Total connections connected: 875
Total connects failed: 1279
Total connection errors: 0
Total data sent: 881.836 MB
Total data received: 0 B
Total blocks sent: 875
Total blocks received: 0
Total commands sent: 875
Total commands received: 875
Total time taken: 1.989 s

[root@localhost csperf]# csperf -c 10.1.1.135 -C 2000 -P 600
Starting test. Please wait...
10% completed...
20% completed...
30% completed...
40% completed...
50% completed...
60% completed...
70% completed...
80% completed...
90% completed...
100% completed...
Test summary
-------------
Total connections attempted: 1807
Total connections connected: 64
Total connects failed: 2000
Total connection errors: 0
Total data sent: 64.500 MB
Total data received: 0 B
Total blocks sent: 64
Total blocks received: 0
Total commands sent: 64
Total commands received: 64
Total time taken: 406.000 ms

Detailed test summary can be found in csperf_client_out.txt file
Segmentation fault

csperf crashes when trying to display stats

Following is the test code which is causing the crash on some machines

#include <stdio.h>
#include <stdarg.h>
#include <stdint.h>
#include <sys/time.h>
#include <time.h>

typedef struct {
    uint64_t  total_bytes_sent;
    uint64_t  total_bytes_received;
    uint64_t  total_blocks_sent;
    uint64_t  total_blocks_received;
    uint64_t  total_commands_sent;
    uint64_t  total_commands_received;
    uint64_t  time_to_process_data;
    char      mark_sent_time[64];
    char      mark_received_time[64];
} csperf_stats_t;

void
csperf_stats_printf(const char *format, ...)
{
    /* Write to file */
    va_list args;

    /* Write to stdout */
    va_start(args, format);
    vfprintf(stdout, format, args);
    va_end(args);
}

void
ansperf_stats_display(csperf_stats_t *stats)
{
    if (!stats) {
        return;
    }

    stats->total_blocks_sent = 1000;
    stats->total_blocks_received = 2000;
    stats->time_to_process_data = 22;

    csperf_stats_printf("%3d   %15s    %10s    %10zu    %10zu    %10zu       %10s    "
            "%10s\n\n",
                0, "hi", "testing.",
            stats->total_blocks_sent, stats->total_blocks_received,
            stats->time_to_process_data,
            stats->mark_sent_time, "test");
}

/* Get time in millisecond */
uint64_t
csperf_network_get_time(char *buf)
{
    char            fmt[64];
    struct tm       *tm;
    struct timeval tv;
    uint64_t s;

    gettimeofday(&tv, NULL);

    if (buf) {
        if((tm = localtime(&tv.tv_sec)) != NULL) {
            strftime(fmt, sizeof(fmt), "%Y-%m-%d %H:%M:%S.%03u", tm);
            snprintf(buf, sizeof(fmt), fmt, tv.tv_usec);
        }
    }
    s = tv.tv_sec * 1000LL;
    return(s + tv.tv_usec / 1000LL);
}

int main()
{
    csperf_stats_t stats = { 0 };
    csperf_network_get_time(stats.mark_sent_time);
    csperf_network_get_time(stats.mark_received_time);
    printf("%s%s\n", stats.mark_sent_time, stats.mark_received_time);
    ansperf_stats_display(&stats);
}

1603          process_string_arg (((struct printf_spec *) NULL));
(gdb) bt
#0  0x002b535e in _IO_vfprintf_internal (s=Cannot access memory at address 0xffffffff
) at vfprintf.c:1603
#1  0x08051ddb in csperf_stats_printf (fd=0x9660888, format=0x8079a4c "%3d   %15s    %10s    %10zu    %10zu    %10zu       %10s    %10s\n\n")
    at /home/nikhil/csperf/src/csperf_stats.c:23
#2  0x08051f4a in ansperf_stats_display (stats=0x965fed4, fd=0x9660888) at /home/nikhil/csperf/src/csperf_stats.c:55
#3  0x08050ac7 in csperf_client_shutdown (client=0x965feb0) at /home/nikhil/csperf/src/csperf_client.c:67
#4  0x0805128a in csperf_client_process_command (client=0x965feb0, buf=0x9660d10) at /home/nikhil/csperf/src/csperf_client.c:306
#5  0x080513c9 in csperf_client_readcb (bev=0x9660c00, ptr=0x965feb0) at /home/nikhil/csperf/src/csperf_client.c:354
#6  0x0805eeb7 in _bufferevent_run_readcb (bufev=0x9660c00) at /home/nikhil/csperf/packages/libevent-2.0.21-stable/bufferevent.c:232
#7  0x0805f4c8 in bufferevent_readcb (fd=9, event=2, arg=0x9660c00) at /home/nikhil/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:186
#8  0x08057563 in event_process_active_single_queue (base=0x9660118, flags=0) at /home/nikhil/csperf/packages/libevent-2.0.21-stable/event.c:1350
#9  event_process_active (base=0x9660118, flags=0) at /home/nikhil/csperf/packages/libevent-2.0.21-stable/event.c:1420
#10 event_base_loop (base=0x9660118, flags=0) at /home/nikhil/csperf/packages/libevent-2.0.21-stable/event.c:1621
#11 0x080580e9 in event_base_dispatch (event_base=0x9660118) at /home/nikhil/csperf/packages/libevent-2.0.21-stable/event.c:1450
#12 0x0805185f in csperf_client_run (config=0x962c008) at /home/nikhil/csperf/src/csperf_client.c:457
#13 0x0804f3ef in csperf_main_start_test (config=0x962c008) at /home/nikhil/csperf/src/csperf_main.c:14
#14 0x0804f4ff in main (argc=3, argv=0xbfd8baa4) at /home/nikhil/csperf/src/csperf_main.c:44

Provide support for long lived connection with continuos flowing data

Parse the arguments correctly

Allow building of csperf rpm

Cleanup client objects cleanly when the client side is closed by pressing ctrl+c

Error: Success is seen when trying to connect to a closed port


[nikhil@nikhil-server csperf]$ csperf -c 172.19.32.116:899
Error: Success

Client takes a long time to close when running > 3000 connections and Ctrl+c is pressed

Even though the signal is set up in the eventbase, until the event loop runs, signal handler is not called. Running the loop takes time as 3000 connections will be connecting the server in a loop.

/tmp/csperf_info.log do not have right permission

[test@nikhil csperf]$  csperf
Failed to init logging module. error: -1

Number of connections exceeds the given connection number

[root@nikhil-server csperf]# csperf -c 192.168.50.121 -C 20000 -P 800 -n 10
Starting test. Please wait...
10% completed...
20% completed...
30% completed...
40% completed...
50% completed...
60% completed...
70% completed...
80% completed...
^@90% completed...
100% completed...
Test summary
-------------
Total connections attempted: 20006
Total connections connected: 20000
Total connects failed: 6
Total connection errors: 204
Total data sent: 196.838 GB
Total data received: 0 B
Total blocks sent: 200000
Total blocks received: 0
Total commands sent: 20000
Total commands received: 20000
Total time taken: 3.292 mins

Detailed test summary can be found in csperf_client_out.txt file

Concurrency feature is broken

Results in large stack calls due to repeated bind failures eventually bloating the memory

#0  0x00000039df442b22 in vfprintf () from /lib64/libc.so.6
#1  0x00000039df468c2a in vsnprintf () from /lib64/libc.so.6
#2  0x000000000042eeab in zlog_buf_vprintf (a_buf=0x4c64170, format=0x4315c0 "%s: Client(%u): Socket error: %s\n", args=0x4c60c58) at buf.c:220
#3  0x000000000042bda5 in zlog_spec_write_usrmsg (a_spec=<value optimized out>, a_thread=0x4c608c0, a_buf=0x4c64170) at spec.c:249
#4  0x00000000004271fd in zlog_format_gen_msg (a_format=0x4c37360, a_thread=0x4c608c0) at format.c:156
#5  0x000000000042b657 in zlog_rule_output_static_file_rotate (a_rule=0x4c5de50, a_thread=0x4315c0) at rule.c:166
#6  0x0000000000425045 in zlog_category_output (a_category=0x4c60210, a_thread=0x4c608c0) at category.c:229
#7  0x0000000000423b68 in zlog (category=0x4c60210, file=0x431208 "/root/csperf/src/csperf_client.c", filelen=32, func=0x431580 "csperf_client_eventcb", funclen=21, line=552, level=40, format=0x4315c0 "%s: Client(%u): Socket error: %s\n") at zlog.c:849
#8  0x000000000040c984 in csperf_client_eventcb (bev=0x7bf8f10, events=32, ctx=0x56c07f8) at /root/csperf/src/csperf_client.c:550
#9  0x000000000041a432 in bufferevent_socket_connect (bev=0x7bf8f10, sa=<value optimized out>, socklen=16) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:428
#10 0x000000000041a4ef in bufferevent_connect_getaddrinfo_cb (result=0, ai=0x7bf9350, arg=<value optimized out>) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:461
#11 0x00000000004203d9 in evutil_getaddrinfo_async (dns_base=<value optimized out>, nodename=<value optimized out>, servname=<value optimized out>, hints_in=<value optimized out>, cb=0x41a450 <bufferevent_connect_getaddrinfo_cb>, arg=0x7bf8f10)
    at /root/csperf/packages/libevent-2.0.21-stable/evutil.c:1421
#12 0x000000000041a27d in bufferevent_socket_connect_hostname (bev=0x7bf8f10, evdns_base=0x0, family=2, hostname=0x4c64bd0 "10.1.1.135", port=5001) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:497
#13 0x000000000040cd1a in csperf_client_manager_setup_clients (cli_mgr=0x502e040, total_clients=1) at /root/csperf/src/csperf_client.c:630
#14 0x000000000040bc46 in csperf_client_shutdown (client=0x56c0640, ignore=0) at /root/csperf/src/csperf_client.c:177
#15 0x000000000040c9f3 in csperf_client_eventcb (bev=0x7bf8540, events=32, ctx=0x56c0640) at /root/csperf/src/csperf_client.c:563
#16 0x000000000041a432 in bufferevent_socket_connect (bev=0x7bf8540, sa=<value optimized out>, socklen=16) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:428
#17 0x000000000041a4ef in bufferevent_connect_getaddrinfo_cb (result=0, ai=0x7bf8980, arg=<value optimized out>) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:461
#18 0x00000000004203d9 in evutil_getaddrinfo_async (dns_base=<value optimized out>, nodename=<value optimized out>, servname=<value optimized out>, hints_in=<value optimized out>, cb=0x41a450 <bufferevent_connect_getaddrinfo_cb>, arg=0x7bf8540)
    at /root/csperf/packages/libevent-2.0.21-stable/evutil.c:1421
#19 0x000000000041a27d in bufferevent_socket_connect_hostname (bev=0x7bf8540, evdns_base=0x0, family=2, hostname=0x4c64bd0 "10.1.1.135", port=5001) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:497
#20 0x000000000040cd1a in csperf_client_manager_setup_clients (cli_mgr=0x502e040, total_clients=1) at /root/csperf/src/csperf_client.c:630
#21 0x000000000040bc46 in csperf_client_shutdown (client=0x56c0488, ignore=0) at /root/csperf/src/csperf_client.c:177
#22 0x000000000040c9f3 in csperf_client_eventcb (bev=0x7bf7b70, events=32, ctx=0x56c0488) at /root/csperf/src/csperf_client.c:563
#23 0x000000000041a432 in bufferevent_socket_connect (bev=0x7bf7b70, sa=<value optimized out>, socklen=16) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:428
#24 0x000000000041a4ef in bufferevent_connect_getaddrinfo_cb (result=0, ai=0x7bf7fb0, arg=<value optimized out>) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:461
#25 0x00000000004203d9 in evutil_getaddrinfo_async (dns_base=<value optimized out>, nodename=<value optimized out>, servname=<value optimized out>, hints_in=<value optimized out>, cb=0x41a450 <bufferevent_connect_getaddrinfo_cb>, arg=0x7bf7b70)
    at /root/csperf/packages/libevent-2.0.21-stable/evutil.c:1421
#26 0x000000000041a27d in bufferevent_socket_connect_hostname (bev=0x7bf7b70, evdns_base=0x0, family=2, hostname=0x4c64bd0 "10.1.1.135", port=5001) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:497
#27 0x000000000040cd1a in csperf_client_manager_setup_clients (cli_mgr=0x502e040, total_clients=1) at /root/csperf/src/csperf_client.c:630
#28 0x000000000040bc46 in csperf_client_shutdown (client=0x56c02d0, ignore=0) at /root/csperf/src/csperf_client.c:177
#29 0x000000000040c9f3 in csperf_client_eventcb (bev=0x7bf71a0, events=32, ctx=0x56c02d0) at /root/csperf/src/csperf_client.c:563
#30 0x000000000041a432 in bufferevent_socket_connect (bev=0x7bf71a0, sa=<value optimized out>, socklen=16) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:428
#31 0x000000000041a4ef in bufferevent_connect_getaddrinfo_cb (result=0, ai=0x7bf75e0, arg=<value optimized out>) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:461
#32 0x00000000004203d9 in evutil_getaddrinfo_async (dns_base=<value optimized out>, nodename=<value optimized out>, servname=<value optimized out>, hints_in=<value optimized out>, cb=0x41a450 <bufferevent_connect_getaddrinfo_cb>, arg=0x7bf71a0)
    at /root/csperf/packages/libevent-2.0.21-stable/evutil.c:1421
#33 0x000000000041a27d in bufferevent_socket_connect_hostname (bev=0x7bf71a0, evdns_base=0x0, family=2, hostname=0x4c64bd0 "10.1.1.135", port=5001) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:497
#34 0x000000000040cd1a in csperf_client_manager_setup_clients (cli_mgr=0x502e040, total_clients=1) at /root/csperf/src/csperf_client.c:630
#35 0x000000000040bc46 in csperf_client_shutdown (client=0x56c0118, ignore=0) at /root/csperf/src/csperf_client.c:177
#36 0x000000000040c9f3 in csperf_client_eventcb (bev=0x7bf67d0, events=32, ctx=0x56c0118) at /root/csperf/src/csperf_client.c:563
#37 0x000000000041a432 in bufferevent_socket_connect (bev=0x7bf67d0, sa=<value optimized out>, socklen=16) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:428
#38 0x000000000041a4ef in bufferevent_connect_getaddrinfo_cb (result=0, ai=0x7bf6c10, arg=<value optimized out>) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:461
#39 0x00000000004203d9 in evutil_getaddrinfo_async (dns_base=<value optimized out>, nodename=<value optimized out>, servname=<value optimized out>, hints_in=<value optimized out>, cb=0x41a450 <bufferevent_connect_getaddrinfo_cb>, arg=0x7bf67d0)
    at /root/csperf/packages/libevent-2.0.21-stable/evutil.c:1421
#40 0x000000000041a27d in bufferevent_socket_connect_hostname (bev=0x7bf67d0, evdns_base=0x0, family=2, hostname=0x4c64bd0 "10.1.1.135", port=5001) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:497
#41 0x000000000040cd1a in csperf_client_manager_setup_clients (cli_mgr=0x502e040, total_clients=1) at /root/csperf/src/csperf_client.c:630
#42 0x000000000040bc46 in csperf_client_shutdown (client=0x56bff60, ignore=0) at /root/csperf/src/csperf_client.c:177
#43 0x000000000040c9f3 in csperf_client_eventcb (bev=0x7bf5e00, events=32, ctx=0x56bff60) at /root/csperf/src/csperf_client.c:563
#44 0x000000000041a432 in bufferevent_socket_connect (bev=0x7bf5e00, sa=<value optimized out>, socklen=16) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:428
#45 0x000000000041a4ef in bufferevent_connect_getaddrinfo_cb (result=0, ai=0x7bf6240, arg=<value optimized out>) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:461
#46 0x00000000004203d9 in evutil_getaddrinfo_async (dns_base=<value optimized out>, nodename=<value optimized out>, servname=<value optimized out>, hints_in=<value optimized out>, cb=0x41a450 <bufferevent_connect_getaddrinfo_cb>, arg=0x7bf5e00)
    at /root/csperf/packages/libevent-2.0.21-stable/evutil.c:1421
#47 0x000000000041a27d in bufferevent_socket_connect_hostname (bev=0x7bf5e00, evdns_base=0x0, family=2, hostname=0x4c64bd0 "10.1.1.135", port=5001) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:497
#48 0x000000000040cd1a in csperf_client_manager_setup_clients (cli_mgr=0x502e040, total_clients=1) at /root/csperf/src/csperf_client.c:630
#49 0x000000000040bc46 in csperf_client_shutdown (client=0x56bfda8, ignore=0) at /root/csperf/src/csperf_client.c:177
#50 0x000000000040c9f3 in csperf_client_eventcb (bev=0x7bf5430, events=32, ctx=0x56bfda8) at /root/csperf/src/csperf_client.c:563

Enhance stats to provide consolidated output. Like output summary

Provide support for multiple clients

Show the output summary after every test cycle

Server side connection doesn't get added back to the free list

Total connections exceeds the maximum allowed limit when running parallel connections

[root@nikhil-server csperf]# csperf -c 192.168.50.121 -C 999 -P 20
Test summary
-------------
Total connections attempted: 1018
Total connections connected: 1010
Total connects failed: 0
Total connection errors: 0
Total data sent: 1017.891 MB
Total data received: 0 B
Total blocks sent: 1010
Total blocks received: 0
Total commands sent: 1010
Total commands received: 1010

We are sending 1000MB of data instead of 1MB per connection

Provide unit test suite

Update the readme file and man page

Provide support for concurrency

Output the correct client id and test cycle in the stdout and in the output file

Placeholder ticket to fix minor misc bugs/issues

Provide cleaner logs on client/server side for easier debugging

Client hangs when there are more than 1000 connections with server turned off

Get the order of dependency right. Libevent2->zlog->csperf sources

Have the default build to be debug to catch more issues. Use "make optimized" to build without symbol table

Time to process displays unusally large when transfer happens between machines which have clock skew

Server: Listening on 0.0.0.0:5001
Cycle    Bytes_sent    Bytes_Received    Blocks_sent    Blocks_received    Time_to_process(ms)    Mark_sent_time    Mark_received_time
------------------------------------------------------------------------------------------------------------------------------------
  1               0 B    1007.812 MB             0          1000    18446744073681968128       2016-08-21 22:57:41.143932    2016-08-21 22:57:41.127341

  2               0 B    1007.812 MB             0          1000    18446744073681968129       2016-08-21 22:57:41.145494    2016-08-21 22:57:41.127857

Mismatch in connections attempted and connections failed.

Provide support for connections per second

csperf crashes when invalid server ip is given

(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Core was generated by `csperf -c 172.19.32.1111'.
Program terminated with signal 11, Segmentation fault.
#0  0x000000000040ca8f in csperf_client_manager_setup_clients (cli_mgr=0x1db9ca0, total_clients=1) at /home/nikhil/csperf/src/csperf_client.c:635
635             zlog_info(log_get_cat(), "%s: Client(%u): Connecting to server: %s:%u"
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.166.el6_7.3.x86_64
(gdb) bt
#0  0x000000000040ca8f in csperf_client_manager_setup_clients (cli_mgr=0x1db9ca0, total_clients=1) at /home/nikhil/csperf/src/csperf_client.c:635
#1  0x000000000040bbba in csperf_client_manager_timer_cb (fd=-1, kind=1, userp=0x1db9ca0) at /home/nikhil/csperf/src/csperf_client.c:277
#2  0x00000000004126f0 in event_process_active_single_queue (base=0x1dba0f0, flags=0) at /home/nikhil/csperf/packages/libevent-2.0.21-stable/event.c:1355
#3  event_process_active (base=0x1dba0f0, flags=0) at /home/nikhil/csperf/packages/libevent-2.0.21-stable/event.c:1420
#4  event_base_loop (base=0x1dba0f0, flags=0) at /home/nikhil/csperf/packages/libevent-2.0.21-stable/event.c:1621
#5  0x000000000040ccbf in csperf_client_run (config=0x1d85010) at /home/nikhil/csperf/src/csperf_client.c:674
#6  0x0000000000409c58 in csperf_main_start_test (config=0x1d85010) at /home/nikhil/csperf/src/csperf_main.c:31
#7  0x0000000000409d66 in main (argc=3, argv=0x7fff7f0ba018) at /home/nikhil/csperf/src/csperf_main.c:61
(gdb) q

Size of the data segment. showing Default 1KB instead of 1MB

[root@localhost csperf]# csperf -c 172.19.32.23
Starting test. Please wait...
Test summary
-------------
Total connections attempted: 1
Total connections connected: 1
Total connects failed: 0
Total connection errors: 0
Total data sent: 1.008 MB
Total data received: 0 B
Total blocks sent: 1
Total blocks received: 0
Total commands sent: 1
Total commands received: 1
Total time taken: 2.000 ms

Using -e option results in server running out of memory

Sep 23 13:51:20 nikhil kernel: DMA: 82*4kB 44*8kB 23*16kB 4*32kB 0*64kB 2*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 3480kB
Sep 23 13:51:20 nikhil kernel: Normal: 5*4kB 8*8kB 2*16kB 0*32kB 0*64kB 0*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 1396kB
Sep 23 13:51:20 nikhil kernel: HighMem: 104*4kB 45*8kB 16*16kB 6*32kB 4*64kB 3*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2120kB
Sep 23 13:51:20 nikhil kernel: 26099 total pagecache pages
Sep 23 13:51:20 nikhil kernel: 23408 pages in swap cache
Sep 23 13:51:20 nikhil kernel: Swap cache stats: add 210434, delete 187026, find 200174/202836
Sep 23 13:51:20 nikhil kernel: Free swap  = 2373212kB
Sep 23 13:51:20 nikhil kernel: Total swap = 3112956kB
Sep 23 13:51:20 nikhil kernel: 393200 pages RAM
Sep 23 13:51:20 nikhil kernel: 166402 pages HighMem
Sep 23 13:51:20 nikhil kernel: 5592 pages reserved
Sep 23 13:51:20 nikhil kernel: 27266 pages shared
Sep 23 13:51:20 nikhil kernel: 375277 pages non-shared
Sep 23 13:53:33 nikhil kernel: __ratelimit: 1541 callbacks suppressed
Sep 23 13:53:33 nikhil kernel: csperf invoked oom-killer: gfp_mask=0xd0, order=0, oom_adj=0, oom_score_adj=0
Sep 23 13:53:33 nikhil kernel: csperf cpuset=/ mems_allowed=0
Sep 23 13:53:33 nikhil kernel: Pid: 12329, comm: csperf Not tainted 2.6.32-504.16.2.el6.i686 #1
Sep 23 13:53:33 nikhil kernel: Call Trace:
Sep 23 13:53:33 nikhil kernel: [<c04f0ef4>] ? dump_header+0x84/0x190
Sep 23 13:53:33 nikhil kernel: [<c085f766>] ? printk+0x17/0x21
Sep 23 13:53:33 nikhil kernel: [<c04f1298>] ? oom_kill_process+0x68/0x280
Sep 23 13:53:33 nikhil kernel: [<c04f11d2>] ? oom_badness+0x92/0xf0
Sep 23 13:53:33 nikhil kernel: [<c04f1818>] ? out_of_memory+0xc8/0x1e0
Sep 23 13:53:33 nikhil kernel: [<c04fbfbd>] ? __alloc_pages_nodemask+0x7fd/0x810
Sep 23 13:53:33 nikhil kernel: [<c07ede35>] ? tcp_sendmsg+0x635/0x970
Sep 23 13:53:33 nikhil kernel: [<c07a0a2e>] ? sock_aio_write+0x13e/0x190
Sep 23 13:53:33 nikhil kernel: [<c08604f6>] ? io_schedule+0x76/0xa0
Sep 23 13:53:33 nikhil kernel: [<c07a08f0>] ? sock_aio_write+0x0/0x190
Sep 23 13:53:33 nikhil kernel: [<c053b8de>] ? do_sync_readv_writev+0xce/0x110
Sep 23 13:53:33 nikhil kernel: [<c0480fe0>] ? autoremove_wake_function+0x0/0x40
Sep 23 13:53:33 nikhil kernel: [<c05bb34c>] ? security_file_permission+0xc/0x10
Sep 23 13:53:33 nikhil kernel: [<c053bbc6>] ? rw_verify_area+0x66/0xe0
Sep 23 13:53:33 nikhil kernel: [<c053c916>] ? do_readv_writev+0xa6/0x1b0
Sep 23 13:53:33 nikhil kernel: [<c07a08f0>] ? sock_aio_write+0x0/0x190
Sep 23 13:53:33 nikhil kernel: [<c053ca5e>] ? vfs_writev+0x3e/0x50
Sep 23 13:53:33 nikhil kernel: [<c053cb61>] ? sys_writev+0x41/0xa0
Sep 23 13:53:33 nikhil kernel: [<c0409abf>] ? sysenter_do_call+0x12/0x28
Sep 23 13:53:33 nikhil kernel: [<c086007b>] ? schedule+0x78b/0xb90

Repeat count of -1 doesn't work

Logfile to write to. Default writes to csperf_xxx.txt xxx , but with the use of -l option, it is writing again to the default file instead of the log file mentioned

[root@localhost csperf]# csperf -c 172.19.32.23 -l test.txt
Starting test. Please wait...
Test summary
-------------
Total connections attempted: 1
Total connections connected: 1
Total connects failed: 0
Total connection errors: 0
Total data sent: 1.008 MB
Total data received: 0 B
Total blocks sent: 1
Total blocks received: 0
Total commands sent: 1
Total commands received: 1
Total time taken: 2.000 ms

Detailed test summary can be found in csperf_client_out.txt file 

Supposed to write the summary in test.txt and not to a default file

Add error status to client & server output

Fix the timestamp display issue

Last 2 fields, last decimal value shows incorrect value


 54       1007.812 MB           0 B          1000             0         23085       2016-08-22 03:50:43.001    2016-08-22 03:51:06.001

 55       1007.812 MB           0 B          1000             0         22688       2016-08-22 03:50:44.001    2016-08-22 03:51:06.001

 56       1007.812 MB           0 B          1000             0         22940       2016-08-22 03:50:43.001    2016-08-22 03:51:06.001

 57       1007.812 MB           0 B          1000             0         22172       2016-08-22 03:50:44.001    2016-08-22 03:51:06.001

 58       1007.812 MB           0 B          1000             0         22349       2016-08-22 03:50:44.001    2016-08-22 03:51:06.001

 59       1007.812 MB           0 B          1000             0         22950       2016-08-22 03:50:44.001    2016-08-22 03:51:07.001

 60       1007.812 MB           0 B          1000             0         22726       2016-08-22 03:50:44.001    2016-08-22 03:51:07.001

Print the time taken per cycle for the test to complete

csperf crashes when open files are less than max connections

[root@localhost csperf]# csperf -c 10.1.1.135 -C 2000 -P 600
Starting test. Please wait...
10% completed...
20% completed...
30% completed...
40% completed...
50% completed...
60% completed...
70% completed...
80% completed...
90% completed...
100% completed...
Test summary
-------------
Total connections attempted: 1997
Total connections connected: 0
Total connects failed: 2000
Total connection errors: 0
Total data sent: 0 B
Total data received: 0 B
Total blocks sent: 0
Total blocks received: 0
Total commands sent: 0
Total commands received: 0
Total time taken: 409.000 ms

Detailed test summary can be found in csperf_client_out.txt file
Segmentation fault (core dumped)

#0  0x000000000040cb56 in csperf_client_manager_setup_clients (cli_mgr=0x2ac36c4df010, total_clients=1) at /root/csperf/src/csperf_client.c:632
#1  0x000000000040ba64 in csperf_client_shutdown (client=0x2ac36c5095e8, ignore=0) at /root/csperf/src/csperf_client.c:175
#2  0x000000000040c813 in csperf_client_eventcb (bev=0x11841f70, events=32, ctx=0x2ac36c5095e8) at /root/csperf/src/csperf_client.c:562
#3  0x000000000041a252 in bufferevent_socket_connect (bev=0x11841f70, sa=<value optimized out>, socklen=16) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:428
#4  0x000000000041a30f in bufferevent_connect_getaddrinfo_cb (result=0, ai=0x118422e0, arg=<value optimized out>) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:461
#5  0x00000000004201f9 in evutil_getaddrinfo_async (dns_base=<value optimized out>, nodename=<value optimized out>, servname=<value optimized out>, hints_in=<value optimized out>, cb=0x41a270 <bufferevent_connect_getaddrinfo_cb>, arg=0x11841f70)
    at /root/csperf/packages/libevent-2.0.21-stable/evutil.c:1421
#6  0x000000000041a09d in bufferevent_socket_connect_hostname (bev=0x11841f70, evdns_base=0x0, family=2, hostname=0x11755f60 "P\006u\021", port=5001) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:497
#7  0x000000000040caf3 in csperf_client_manager_setup_clients (cli_mgr=0x2ac36c4df010, total_clients=1) at /root/csperf/src/csperf_client.c:624
#8  0x000000000040ba64 in csperf_client_shutdown (client=0x2ac36c509430, ignore=0) at /root/csperf/src/csperf_client.c:175
#9  0x000000000040c813 in csperf_client_eventcb (bev=0x11841bb0, events=32, ctx=0x2ac36c509430) at /root/csperf/src/csperf_client.c:562
#10 0x000000000041a252 in bufferevent_socket_connect (bev=0x11841bb0, sa=<value optimized out>, socklen=16) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:428
#11 0x000000000041a30f in bufferevent_connect_getaddrinfo_cb (result=0, ai=0x11841f20, arg=<value optimized out>) at /root/csperf/packages/libevent-2.0.21-stable/bufferevent_sock.c:461
#12 0x00000000004201f9 in evutil_getaddrinfo_async (dns_base=<value optimized out>, nodename=<value optimized out>, servname=<value optimized out>, hints_in=<value optimized out>, cb=0x41a270 <bufferevent_connect_getaddrinfo_cb>, arg=0x11841bb0)

Incorrect time taken is shown in the server side

[nikhil@nikhil csperf]$ csperf -s -p 100
Failed to configure server: Permission denied
Test summary
-------------
Total connections attempted: 0
Total connections connected: 0
Total connects failed: 0
Total connection errors: 0
Total data sent: 0 B
Total data received: 0 B
Total blocks sent: 0
Total blocks received: 0
Total commands sent: 0
Total commands received: 0
Total time taken: 17044.262 days

Detailed test summary can be found in csperf_server_out.txt file

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