cat ./set_pva_env
export EPICS_PVA_AUTO_ADDR_LIST=false
export EPICS_PVA_ADDR_LIST="acq2206_088 acq2206_588 acq1102_057 acq1102_557"
# gotta be numbers regardless of hosts setting..
export EPICS_PVA_ADDR_LIST="10.12.197.110 10.12.197.88 10.12.197.13 10.12.197.57"
export EPICS_PVA_NAME_SERVERS="$EPICS_PVA_ADDR_LIST"
Monitor: 1 update only for json:
source ./set_pva_env
./bin/linux-x86_64/xrm_ht_monitor -U 1 acq2206_588 >xrm_ht_monitor.json
Interpret:
(base) pgm@hoy6:~/PROJECTS/ACQ400/ACQ400_XRM$ ./bin-scripts/load_json.py
0 pv_id:2001 timestamp:1774440118029773 WRUS:1774440118029780 delta:7
1 pv_id:2002 timestamp:1774440118029773 WRUS:1774440118029790 delta:17
2 pv_id:2003 timestamp:1774440118029773 WRUS:1774440118029800 delta:27
3 pv_id:2004 timestamp:1774440118029773 WRUS:1774440118029810 delta:37
4 pv_id:2005 timestamp:1774440118029773 WRUS:1774440118029820 delta:47
5 pv_id:2006 timestamp:1774440118029773 WRUS:1774440118029830 delta:57
6 pv_id:2007 timestamp:1774440118029773 WRUS:1774440118029840 delta:67
7 pv_id:2008 timestamp:1774440118029773 WRUS:1774440118029850 delta:77
8 pv_id:2009 timestamp:1774440118029773 WRUS:1774440118029860 delta:87
9 pv_id:2010 timestamp:1774440118029773 WRUS:1774440118029870 delta:97
HT row TS is the time of the cycle. The embdded WRUS shows that we picked the nearest (ish) sample and we have a constant OFFSET of 10us.
Here's Json:
{ "HT": [
{
"HDR": {
"pv_id": 2001,
"client_data": 0,
"timestamp": 1774440118029773,
"data_offset": 66,
"ss_u32": 32,
"ai_count": 32,
"di_count": 1,
"sp_count": 15
},
"RAW": {
"ai16": [ 22,22,23,22,23,22,22,24,22,22,23,22,22,24,22,22,23,23,22,22,23,22,23,23,22,22,23,22,22,22,22,22 ],
"di32": [ "0x00000000" ],
"sp32": [ "0x47c37402","0xb0195efa","0x60122d31","0x69c3ceb6","0x44444444","0x55555555","0x66666666","0x77777777","0x00000000","0x00000000","0x00000000","0x00000000","0x00000000","0x00000000","0x00000000" ],
"WRVS": 6,
"WRVT": 1191217,
"WRUS": 1774440118029780
}
},
{
"HDR": {
"pv_id": 2002,
"client_data": 2,
"timestamp": 1774440118029773,
...
"WRVS": 6,
"WRVT": 1194817,
"WRUS": 1774440118029870
}
}
] }
Strip selected JSON elements in stream:
pgm@hoy6:~/PROJECTS/ACQ400/ACQ400_XRM$ ./bin/linux-x86_64/xrm_ht_monitor -U 10 acq2206_588 | egrep -e pv_id -e WRUS | sed 'N;/\n.*WRUS/s/\n/\t/;P;D'
"pv_id": 2001, "WRUS": 1774520596606635
"pv_id": 2002, "WRUS": 1774520596606645
"pv_id": 2003, "WRUS": 1774520596606655
"pv_id": 2004, "WRUS": 1774520596606665
"pv_id": 2005, "WRUS": 1774520596606675
"pv_id": 2006, "WRUS": 1774520596606685
"pv_id": 2007, "WRUS": 1774520596606695
"pv_id": 2008, "WRUS": 1774520596606705
"pv_id": 2009, "WRUS": 1774520596606715
"pv_id": 2010, "WRUS": 1774520596606725
Nice! Now json only runs ONCE for valid json, maybe we should override
Time splits:
./bin/linux-x86_64/xrm_ht_monitor -U 0 acq2206_588 | egrep -e pv_id -e WRUS | sed 'N;/\n.*WRUS/s/\n/\t/;P;D' | grep 2001
"pv_id": 2001, "WRUS": 1774520937758720
"pv_id": 2001, "WRUS": 1774520937808720
"pv_id": 2001, "WRUS": 1774520937858720
"pv_id": 2001, "WRUS": 1774520937908720
"pv_id": 2001, "WRUS": 1774520937958720
"pv_id": 2001, "WRUS": 1774520938008725
"pv_id": 2001, "WRUS": 1774520938058725
Step is 50000
1.17.0