60904

Events: 36,742,403

< 60903 60905 >

Start 2019-02-20 19:40:32 End 2019-02-20 19:58:52 Length 0:18:20

Files

/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/cool/hdops/ddb/run-log/hdops/current_run.log
/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/config/hd_all/FCAL_BCAL_PS_CPP.m9.conf

All conditions

Name	Value
beam_current	24.9768
beam_energy	11606.6
beam_on_current	28.3904
cdc_fadc125_mode	3
cdc_gas_pressure	100.64
coherent_peak	8820.0
collimator_diameter	5.0mm hole
component_stats	{"ROCFCAL5": {"average-evt-size": 0.0, "evt-rate": 864.93164, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 1032.0771261770246}, "ROCTOF3": {"average-evt-size": 0.0, "evt-rate": 0.0, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 0, "data-rate": 0.0}, "ROCTRIG2": {"average-evt-size": 0.0, "evt-rate": 866.5633, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 592.7292452830197}, "TSG": {"average-evt-size": 0.0, "evt-rate": 872.60345, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 855.2223695238096}, "ROCTAGH2": {"average-evt-size": 0.0, "evt-rate": 0.0, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 0, "data-rate": 0.0}, "ROCFCAL3": {"average-evt-size": 0.0, "evt-rate": 864.9314, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 965.021578154425}, "ROCST": {"average-evt-size": 0.0, "evt-rate": 866.5634, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 853.8915433962254}, "SEB0": {"average-evt-size": 181981.0, "evt-rate": 34212.88, "max-evt-size": 419248.0, "min-evt-size": 181656.0, "evt-number": 36742281, "data-rate": 189505.1614514926}, "ROCBCAL13": {"average-evt-size": 0.0, "evt-rate": 0.0, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 0, "data-rate": 0.0}, "DCFDC": {"average-evt-size": 58622.0, "evt-rate": 34336.03, "max-evt-size": 155292.0, "min-evt-size": 58588.0, "evt-number": 36742281, "data-rate": 60730.89945420558}, "ERsoftROC": {"average-evt-size": 0.0, "evt-rate": 34085.453, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 36742403, "data-rate": 188862.5352676581}, "ROCSTPSC2": {"average-evt-size": 0.0, "evt-rate": 0.0, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 0, "data-rate": 0.0}, "ROCBCAL14": {"average-evt-size": 0.0, "evt-rate": 0.0, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 0, "data-rate": 0.0}, "ROCFDC14": {"average-evt-size": 0.0, "evt-rate": 866.5629, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 8832.85980377359}, "ROCSTPSC1": {"average-evt-size": 0.0, "evt-rate": 868.2014, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 2640.96627599244}, "ROCFDC12": {"average-evt-size": 0.0, "evt-rate": 868.2011, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3873.354223062383}, "ROCFDC13": {"average-evt-size": 0.0, "evt-rate": 868.2013, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 8915.880756143668}, "ROCFDC10": {"average-evt-size": 0.0, "evt-rate": 866.5636, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3964.0709886792465}, "ROCFDC11": {"average-evt-size": 0.0, "evt-rate": 868.20166, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3841.0334971644616}, "ROCBCAL10": {"average-evt-size": 0.0, "evt-rate": 864.9312, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 951.332259887006}, "ROCBCAL11": {"average-evt-size": 0.0, "evt-rate": 866.563, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 943.0132641509429}, "ROCBCAL12": {"average-evt-size": 0.0, "evt-rate": 868.2013, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 7960.817391304342}, "ROCFDC3": {"average-evt-size": 0.0, "evt-rate": 868.2011, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3856.5084461247625}, "DCTAG": {"average-evt-size": 52141.0, "evt-rate": 34337.023, "max-evt-size": 144616.0, "min-evt-size": 52176.0, "evt-number": 36742281, "data-rate": 61182.649257856254}, "ROCBCAL15": {"average-evt-size": 0.0, "evt-rate": 0.0, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 0, "data-rate": 0.0}, "ROCBCAL16": {"average-evt-size": 0.0, "evt-rate": 0.0, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 0, "data-rate": 0.0}, "ROCTAGMH": {"average-evt-size": 0.0, "evt-rate": 868.20087, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 14188.869277882799}, "ROCTOF2": {"average-evt-size": 0.0, "evt-rate": 868.2014, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 10063.160412098292}, "ROCBCAL2": {"average-evt-size": 0.0, "evt-rate": 866.56323, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 995.1448716981134}, "DCFCAL": {"average-evt-size": 9121.0, "evt-rate": 34335.26, "max-evt-size": 33152.0, "min-evt-size": 9048.0, "evt-number": 36742281, "data-rate": 8981.053389719618}, "ROCTOF1": {"average-evt-size": 0.0, "evt-rate": 866.5629, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 2065.381188679245}, "ROCTAGM2": {"average-evt-size": 0.0, "evt-rate": 0.0, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 0, "data-rate": 0.0}, "ROCTAGM1": {"average-evt-size": 0.0, "evt-rate": 866.56354, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 1616.3708792452821}, "ROCBCAL3": {"average-evt-size": 0.0, "evt-rate": 868.20135, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 7818.789913043473}, "DCCDCSTPS": {"average-evt-size": 22606.0, "evt-rate": 34335.48, "max-evt-size": 69172.0, "min-evt-size": 22628.0, "evt-number": 36742281, "data-rate": 24749.666841121496}, "DCBCAL": {"average-evt-size": 38278.0, "evt-rate": 34333.15, "max-evt-size": 69888.0, "min-evt-size": 37576.0, "evt-number": 36742281, "data-rate": 36060.379267289696}, "ROCFCAL10": {"average-evt-size": 0.0, "evt-rate": 866.56305, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 953.3303132075469}, "ROCFCAL11": {"average-evt-size": 0.0, "evt-rate": 864.9315, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 1031.6770659133713}, "ROCFCAL12": {"average-evt-size": 0.0, "evt-rate": 864.93134, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 953.9421355932209}, "ROCBCAL5": {"average-evt-size": 0.0, "evt-rate": 864.93115, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 956.8341205273067}, "ROCFDC8": {"average-evt-size": 0.0, "evt-rate": 868.20166, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3731.088499054823}, "ROCFDC9": {"average-evt-size": 0.0, "evt-rate": 866.5631, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3893.396407547166}, "ROCBCAL9": {"average-evt-size": 0.0, "evt-rate": 868.20135, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 7967.895107750472}, "ROCFDC4": {"average-evt-size": 0.0, "evt-rate": 868.2018, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 8902.660884688092}, "ROCFDC5": {"average-evt-size": 0.0, "evt-rate": 868.2013, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3736.003009451795}, "ROCFDC6": {"average-evt-size": 0.0, "evt-rate": 866.5629, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3869.5651773584946}, "ROCFDC7": {"average-evt-size": 0.0, "evt-rate": 868.2016, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3960.3587448015114}, "ROCFDC1": {"average-evt-size": 0.0, "evt-rate": 868.2015, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 10394.079364839316}, "ROCFDC2": {"average-evt-size": 0.0, "evt-rate": 866.56323, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3930.8141584905675}, "ROCBCAL7": {"average-evt-size": 0.0, "evt-rate": 864.9314, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 1051.734723163843}, "ROCCDC3": {"average-evt-size": 0.0, "evt-rate": 866.56305, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 2930.6513509433958}, "ROCCDC2": {"average-evt-size": 0.0, "evt-rate": 866.5631, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 2930.7936301886807}, "ROCCDC1": {"average-evt-size": 0.0, "evt-rate": 866.5625, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3133.0118037735842}, "ROCBCAL1": {"average-evt-size": 0.0, "evt-rate": 866.563, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 963.2290528301891}, "ROCBCAL6": {"average-evt-size": 0.0, "evt-rate": 868.2013, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 7960.227175803404}, "ROCBCAL4": {"average-evt-size": 0.0, "evt-rate": 866.5631, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 959.9468037735851}, "ROCFCAL8": {"average-evt-size": 0.0, "evt-rate": 864.93146, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 1019.1856610169478}, "ROCCDC4": {"average-evt-size": 0.0, "evt-rate": 866.5635, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 3126.435169811322}, "ROCFCAL6": {"average-evt-size": 0.0, "evt-rate": 866.563, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 919.1919509433961}, "ROCFCAL7": {"average-evt-size": 0.0, "evt-rate": 864.9316, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 924.3755442561205}, "ROCFCAL4": {"average-evt-size": 0.0, "evt-rate": 864.93134, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 940.7835517890766}, "ROCFCAL9": {"average-evt-size": 0.0, "evt-rate": 864.9311, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 940.8088549905842}, "ROCFCAL2": {"average-evt-size": 0.0, "evt-rate": 864.93134, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 1029.8702711864416}, "ROCTAGH1": {"average-evt-size": 0.0, "evt-rate": 864.93097, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 7690.427348399244}, "ROCFCAL1": {"average-evt-size": 0.0, "evt-rate": 864.9311, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 1366.6354086628994}, "ROCPS2": {"average-evt-size": 0.0, "evt-rate": 866.5631, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 14523.04777735849}, "ROCPS1": {"average-evt-size": 0.0, "evt-rate": 864.931, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 12357.979612052734}, "ROCBCAL8": {"average-evt-size": 0.0, "evt-rate": 864.9313, "max-evt-size": 0.0, "min-evt-size": 0.0, "evt-number": 918557, "data-rate": 959.30747645951}}
components	{"ROCFCAL5": "ROC", "ROCTOF3": "ROC", "ROCTRIG2": "ROC", "TSG": "TS", "ROCTAGH2": "ROC", "ROCFCAL3": "ROC", "ROCST": "ROC", "SEB0": "SEB", "ROCBCAL13": "ROC", "DCFDC": "DC", "ERsoftROC": "ER", "ROCSTPSC2": "ROC", "ROCBCAL14": "ROC", "ROCFDC14": "ROC", "ROCSTPSC1": "ROC", "ROCFDC12": "ROC", "ROCFDC13": "ROC", "ROCFDC10": "ROC", "ROCFDC11": "ROC", "ROCBCAL10": "ROC", "ROCBCAL11": "ROC", "ROCBCAL12": "ROC", "ROCFDC3": "ROC", "DCTAG": "DC", "ROCBCAL15": "ROC", "ROCBCAL16": "ROC", "ROCTAGMH": "ROC", "ROCTOF2": "ROC", "ROCBCAL2": "ROC", "DCFCAL": "DC", "ROCTOF1": "ROC", "ROCTAGM2": "ROC", "ROCTAGM1": "ROC", "ROCBCAL3": "ROC", "DCCDCSTPS": "DC", "DCBCAL": "DC", "ROCFCAL10": "ROC", "ROCFCAL11": "ROC", "ROCFCAL12": "ROC", "ROCBCAL5": "ROC", "ROCFDC8": "ROC", "ROCFDC9": "ROC", "ROCBCAL9": "ROC", "ROCFDC4": "ROC", "ROCFDC5": "ROC", "ROCFDC6": "ROC", "ROCFDC7": "ROC", "ROCFDC1": "ROC", "ROCFDC2": "ROC", "ROCBCAL7": "ROC", "ROCCDC3": "ROC", "ROCCDC2": "ROC", "ROCCDC1": "ROC", "ROCBCAL1": "ROC", "ROCBCAL6": "ROC", "ROCBCAL4": "ROC", "ROCFCAL8": "ROC", "ROCCDC4": "ROC", "ROCFCAL6": "ROC", "ROCFCAL7": "ROC", "ROCFCAL4": "ROC", "ROCFCAL9": "ROC", "ROCFCAL2": "ROC", "ROCTAGH1": "ROC", "ROCFCAL1": "ROC", "ROCPS2": "ROC", "ROCPS1": "ROC", "ROCBCAL8": "ROC"}
daq_config	FCAL_BCAL_PS_CPP.m9.conf
daq_run	EXPERT
daq_setup	hd_all.tsg
event_count	36742403
evio_files_count	11
evio_last_file	/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/DATA/hd_rawdata_060904_010.evio
is_valid_run_end	True
polarimeter_converter	Be 75um
polarization_angle	90.0
polarization_direction	PERP
ps_converter	Retracted
radiator_id	11000
radiator_index	10
radiator_type	JD70-105 47um 0/90 deg
rtvs	{"%(OUT_FILE1)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/DATA1", "%(CODA_ROL1)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/vme/src/rol_1", "%(CODA_ROLMC)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/vme/src/rol_mc", "%(OUT_FILE)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/DATA", "%(udl)": "cMsg://gluon43.jlab.org:45000/cMsg/hdops?cmsgpassword=hdops", "%(DAQ_HOME)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq", "%(config)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/config/hd_all/FCAL_BCAL_PS_CPP.m9.conf", "%(CODA_ROL2)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/vme/src/rol_2", "%(CODA_ROL)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/vme/src/rol_hd", "%(rn)": "0", "%(rcdb)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/rcdb"}
run_config	FCAL_BCAL_PS_CPP.m9.conf
run_end_time	2019-02-20 19:58:52
run_start_time	2019-02-20 19:40:32
run_type	hd_all.tsg
session	hdops
solenoid_current	1348.35
status	-1
target_type	FULL & Ready
trigger_eq	[["PS", "35", "10", "1"], ["BCAL_E", "12", "20", "0"], ["BCAL_C", "20", "0", "0"], ["FCAL", "8", "10", "1"], ["ST", "31", "3", "0"], ["TOF", "20", "10", "0"], ["TAGH", "106", "0", "1"]]
trigger_type	[["BFCAL", "440", "5", "1", "0", "800", "0", "0", "200", "65535", "0", "65535"], ["BFCAL", "440", "5", "25", "1", "45000", "0", "-7", "200", "65535", "0", "65535"], ["ST", "440", "5", "1300", "1900", "1100", "1", "-7"], ["BFCAL", "440", "5", "0", "1", "54000", "0", "-2"], ["BFCAL", "440", "5", "0", "1", "25000", "0", "-2"], ["PS", "440", "5", "1300", "1900", "1100", "0", "3"], ["BFCAL", "440", "5", "20", "1", "36000", "0", "-5", "200", "65535", "0", "65535"], ["BFCAL", "440", "5", "1", "0", "900", "0", "-6"], ["ST", "440", "5", "1300", "1900", "1100", "1", "-6"], ["BCAL_COS", "440", "40", "1500", "2100", "1300", "0", "-1"]]
user_comment	CPP test run, PS 620nA, beam 30nA, coherent peak at 6GeV, radiator 47um PERP, FCAL_BCAL_PS_m9.conf, hd_all.tsg, 2 lead sheets (beam was 21-24 nA for first minute of run)

Components

Name	Event count	Event rate	Data rate
DCBCAL	36742281	34333.15	36060.37
DCCDCSTPS	36742281	34335.48	24749.66
DCFCAL	36742281	34335.26	8981.05
DCFDC	36742281	34336.03	60730.89
DCTAG	36742281	34337.02	61182.64
ERsoftROC	36742403	34085.45	188862.53
ROCBCAL1	918557	866.56	963.22
ROCBCAL2	918557	866.56	995.14
ROCBCAL3	918557	868.2	7818.78
ROCBCAL4	918557	866.56	959.94
ROCBCAL5	918557	864.93	956.83
ROCBCAL6	918557	868.2	7960.22
ROCBCAL7	918557	864.93	1051.73
ROCBCAL8	918557	864.93	959.3
ROCBCAL9	918557	868.2	7967.89
ROCBCAL10	918557	864.93	951.33
ROCBCAL11	918557	866.56	943.01
ROCBCAL12	918557	868.2	7960.81
ROCBCAL13	0	0.0	0.0
ROCBCAL14	0	0.0	0.0
ROCBCAL15	0	0.0	0.0
ROCBCAL16	0	0.0	0.0
ROCCDC1	918557	866.56	3133.01
ROCCDC2	918557	866.56	2930.79
ROCCDC3	918557	866.56	2930.65
ROCCDC4	918557	866.56	3126.43
ROCFCAL1	918557	864.93	1366.63
ROCFCAL2	918557	864.93	1029.87
ROCFCAL3	918557	864.93	965.02
ROCFCAL4	918557	864.93	940.78
ROCFCAL5	918557	864.93	1032.07
ROCFCAL6	918557	866.56	919.19
ROCFCAL7	918557	864.93	924.37
ROCFCAL8	918557	864.93	1019.18
ROCFCAL9	918557	864.93	940.8
ROCFCAL10	918557	866.56	953.33
ROCFCAL11	918557	864.93	1031.67
ROCFCAL12	918557	864.93	953.94
ROCFDC1	918557	868.2	10394.07
ROCFDC2	918557	866.56	3930.81
ROCFDC3	918557	868.2	3856.5
ROCFDC4	918557	868.2	8902.66
ROCFDC5	918557	868.2	3736.0
ROCFDC6	918557	866.56	3869.56
ROCFDC7	918557	868.2	3960.35
ROCFDC8	918557	868.2	3731.08
ROCFDC9	918557	866.56	3893.39
ROCFDC10	918557	866.56	3964.07
ROCFDC11	918557	868.2	3841.03
ROCFDC12	918557	868.2	3873.35
ROCFDC13	918557	868.2	8915.88
ROCFDC14	918557	866.56	8832.85
ROCPS1	918557	864.93	12357.97
ROCPS2	918557	866.56	14523.04
ROCST	918557	866.56	853.89
ROCSTPSC1	918557	868.2	2640.96
ROCSTPSC2	0	0.0	0.0
ROCTAGH1	918557	864.93	7690.42
ROCTAGH2	0	0.0	0.0
ROCTAGM1	918557	866.56	1616.37
ROCTAGM2	0	0.0	0.0
ROCTAGMH	918557	868.2	14188.86
ROCTOF1	918557	866.56	2065.38
ROCTOF2	918557	868.2	10063.16
ROCTOF3	0	0.0	0.0
ROCTRIG2	918557	866.56	592.72
SEB0	36742281	34212.87	189505.16
TSG	918557	872.6	855.22

Info:

is_valid_run_end	True
run_type	hd_all.tsg
run_config	FCAL_BCAL_PS_CPP.m9.conf
daq_setup	hd_all.tsg
daq_run	EXPERT
daq_config	FCAL_BCAL_PS_CPP.m9.conf