90467

Events: 19,804

< 90466 90468 >

Start 2021-12-08 22:20:01 End 2021-12-08 22:21:02 Length 0:01:01

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_SRC_m9.conf

All conditions

Name	Value
beam_current	0.295092
beam_energy	10848.2
beam_on_current	1.5
cdc_fadc125_mode	3
cdc_gas_pressure	100.279
coherent_peak	8600.0
collimator_diameter	Blocking
component_stats	{"ROCFCAL6": {"evt-rate": 9.159543, "data-rate": 948.1976240701676, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFDC5": {"evt-rate": 9.526193, "data-rate": 30.576498210230554, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL1": {"evt-rate": 9.50899, "data-rate": 28.816044260027663, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL14": {"evt-rate": 0.0, "data-rate": 0.0, "average-evt-size": 0.0, "evt-number": 0, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCCDC3": {"evt-rate": 9.9041605, "data-rate": 29.103743572300367, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFCAL2": {"evt-rate": 9.529493, "data-rate": 1061.8755582935469, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "DCFCAL": {"evt-rate": 330.1047, "data-rate": 10785.419245132036, "average-evt-size": 1306854.0, "evt-number": 19801, "max-evt-size": 1352488.0, "min-evt-size": 9144.0}, "ROCCDC2": {"evt-rate": 9.509721, "data-rate": 27.490663182970874, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCPS2": {"evt-rate": 9.491122, "data-rate": 22.60919584308011, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL15": {"evt-rate": 0.0, "data-rate": 0.0, "average-evt-size": 0.0, "evt-number": 0, "max-evt-size": 0.0, "min-evt-size": 0.0}, "DCFDC": {"evt-rate": 329.84622, "data-rate": 502.8128800119938, "average-evt-size": 60851.0, "evt-number": 19801, "max-evt-size": 69932.0, "min-evt-size": 59564.0}, "SEB0": {"evt-rate": 299.8289, "data-rate": 11189.290652776306, "average-evt-size": 1492705.0, "evt-number": 19801, "max-evt-size": 1519548.0, "min-evt-size": 432180.0}, "ROCFDC6": {"evt-rate": 9.903368, "data-rate": 33.47218054138407, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFCAL12": {"evt-rate": 9.524543, "data-rate": 1070.324296242135, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCTAGMH": {"evt-rate": 9.874129, "data-rate": 120.92477708403982, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFCAL7": {"evt-rate": 9.513376, "data-rate": 989.5055350553506, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCST": {"evt-rate": 9.902179, "data-rate": 11.388745524015283, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCSTPSC1": {"evt-rate": 9.89802, "data-rate": 30.27362527494501, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFCAL8": {"evt-rate": 9.523809, "data-rate": 1061.7707744107745, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFDC12": {"evt-rate": 9.910307, "data-rate": 31.931769039801395, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL7": {"evt-rate": 9.515022, "data-rate": 30.556023297387693, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCSTPSC2": {"evt-rate": 0.0, "data-rate": 0.0, "average-evt-size": 0.0, "evt-number": 0, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL6": {"evt-rate": 9.904755, "data-rate": 100.6639987193853, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFCAL3": {"evt-rate": 9.168365, "data-rate": 1030.3232450453788, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "DCTAG": {"evt-rate": 319.3607, "data-rate": 330.57243314731784, "average-evt-size": 41281.0, "evt-number": 19801, "max-evt-size": 42852.0, "min-evt-size": 40228.0}, "ROCFDC7": {"evt-rate": 9.8826065, "data-rate": 34.621306500559015, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "TSG": {"evt-rate": 10.862895, "data-rate": 10.49637524714224, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFDC11": {"evt-rate": 9.877873, "data-rate": 33.14399744572158, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFCAL10": {"evt-rate": 9.523077, "data-rate": 1070.1340156601705, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL5": {"evt-rate": 9.518865, "data-rate": 28.86719741548402, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCTRIG2": {"evt-rate": 9.522894, "data-rate": 6.519276644863409, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFCAL11": {"evt-rate": 9.166837, "data-rate": 1021.5934369154984, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFDC9": {"evt-rate": 9.520879, "data-rate": 33.15927756727126, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCTAGM1": {"evt-rate": 9.528393, "data-rate": 8.000307988450434, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL8": {"evt-rate": 9.525092, "data-rate": 28.848830049261085, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFCAL1": {"evt-rate": 9.160729, "data-rate": 1029.5087258258536, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCCDC1": {"evt-rate": 9.888134, "data-rate": 31.258170195765082, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFDC14": {"evt-rate": 9.896833, "data-rate": 96.52015355086372, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCTOF2": {"evt-rate": 9.891889, "data-rate": 103.74988509422273, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFDC4": {"evt-rate": 9.891889, "data-rate": 96.36162346875562, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFDC8": {"evt-rate": 9.511914, "data-rate": 30.67763259031514, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "DCCDCSTPS": {"evt-rate": 319.4225, "data-rate": 191.1330214550734, "average-evt-size": 23815.0, "evt-number": 19801, "max-evt-size": 42612.0, "min-evt-size": 23204.0}, "ROCFDC3": {"evt-rate": 9.899801, "data-rate": 31.71712565748685, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCTAGH1": {"evt-rate": 9.163782, "data-rate": 8.69267082585112, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCPS1": {"evt-rate": 9.147355, "data-rate": 127.00861144990206, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCTAGM2": {"evt-rate": 0.0, "data-rate": 0.0, "average-evt-size": 0.0, "evt-number": 0, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCTOF3": {"evt-rate": 0.0, "data-rate": 0.0, "average-evt-size": 0.0, "evt-number": 0, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL4": {"evt-rate": 9.158525, "data-rate": 27.762285375962108, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "DCBCAL": {"evt-rate": 330.30292, "data-rate": 506.13511710148794, "average-evt-size": 61172.0, "evt-number": 19801, "max-evt-size": 962456.0, "min-evt-size": 39288.0}, "ROCBCAL13": {"evt-rate": 0.0, "data-rate": 0.0, "average-evt-size": 0.0, "evt-number": 0, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCCCAL": {"evt-rate": 9.395999, "data-rate": 8.17493641091834, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL3": {"evt-rate": 9.90099, "data-rate": 98.5999399939994, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL12": {"evt-rate": 9.9025755, "data-rate": 100.41714845859923, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFDC1": {"evt-rate": 9.90099, "data-rate": 111.09046904690469, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFDC2": {"evt-rate": 9.897427, "data-rate": 33.1788934876932, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCCDC4": {"evt-rate": 9.899208, "data-rate": 31.293816494680424, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFCAL4": {"evt-rate": 9.175673, "data-rate": 954.4487737965039, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFDC13": {"evt-rate": 9.897822, "data-rate": 101.02097538541521, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFCAL9": {"evt-rate": 9.498954, "data-rate": 984.6946709907697, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL16": {"evt-rate": 0.0, "data-rate": 0.0, "average-evt-size": 0.0, "evt-number": 0, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL9": {"evt-rate": 9.910505, "data-rate": 100.64492361903618, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFCAL5": {"evt-rate": 9.171252, "data-rate": 1021.6121394030348, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCTOF1": {"evt-rate": 9.161916, "data-rate": 8.492189235211372, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ERsoftROC": {"evt-rate": 291.27383, "data-rate": 10873.01854657234, "average-evt-size": 0.0, "evt-number": 19804, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL11": {"evt-rate": 9.506799, "data-rate": 28.689867096873318, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCFDC10": {"evt-rate": 9.901584, "data-rate": 33.574331893102894, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL10": {"evt-rate": 9.164121, "data-rate": 27.50909932426178, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCTAGH2": {"evt-rate": 0.0, "data-rate": 0.0, "average-evt-size": 0.0, "evt-number": 0, "max-evt-size": 0.0, "min-evt-size": 0.0}, "ROCBCAL2": {"evt-rate": 9.168025, "data-rate": 27.75937175877908, "average-evt-size": 0.0, "evt-number": 495, "max-evt-size": 0.0, "min-evt-size": 0.0}}
components	{"ROCFCAL6": "ROC", "ROCFDC5": "ROC", "ROCBCAL1": "ROC", "ROCBCAL14": "ROC", "ROCCDC3": "ROC", "ROCFCAL2": "ROC", "DCFCAL": "DC", "ROCCDC2": "ROC", "ROCPS2": "ROC", "ROCBCAL15": "ROC", "DCFDC": "DC", "SEB0": "SEB", "ROCFDC6": "ROC", "ROCFCAL12": "ROC", "ROCTAGMH": "ROC", "ROCFCAL7": "ROC", "ROCST": "ROC", "ROCSTPSC1": "ROC", "ROCFCAL8": "ROC", "ROCFDC12": "ROC", "ROCBCAL7": "ROC", "ROCSTPSC2": "ROC", "ROCBCAL6": "ROC", "ROCFCAL3": "ROC", "DCTAG": "DC", "ROCFDC7": "ROC", "TSG": "TS", "ROCFDC11": "ROC", "ROCFCAL10": "ROC", "ROCBCAL5": "ROC", "ROCTRIG2": "ROC", "ROCFCAL11": "ROC", "ROCFDC9": "ROC", "ROCTAGM1": "ROC", "ROCBCAL8": "ROC", "ROCFCAL1": "ROC", "ROCCDC1": "ROC", "ROCFDC14": "ROC", "ROCTOF2": "ROC", "ROCFDC4": "ROC", "ROCFDC8": "ROC", "DCCDCSTPS": "DC", "ROCFDC3": "ROC", "ROCTAGH1": "ROC", "ROCPS1": "ROC", "ROCTAGM2": "ROC", "ROCTOF3": "ROC", "ROCBCAL4": "ROC", "DCBCAL": "DC", "ROCBCAL13": "ROC", "ROCCCAL": "ROC", "ROCBCAL3": "ROC", "ROCBCAL12": "ROC", "ROCFDC1": "ROC", "ROCFDC2": "ROC", "ROCCDC4": "ROC", "ROCFCAL4": "ROC", "ROCFDC13": "ROC", "ROCFCAL9": "ROC", "ROCBCAL16": "ROC", "ROCBCAL9": "ROC", "ROCFCAL5": "ROC", "ROCTOF1": "ROC", "ERsoftROC": "ER", "ROCBCAL11": "ROC", "ROCFDC10": "ROC", "ROCBCAL10": "ROC", "ROCTAGH2": "ROC", "ROCBCAL2": "ROC"}
daq_blocks	40
daq_calib	default
daq_config	FCAL_BCAL_PS_SRC_m9.conf
daq_mode	short
daq_run	PHYSICS_SRC
daq_setup	hd_all.tsg_CC_HL
daq_trigger	FCAL_BCAL_PS_SRC_m9.conf
event_count	19804
evio_files_count	2
evio_last_file	/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/DATA/hd_rawdata_090467_000.evio
is_valid_run_end	True
polarimeter_converter	Be 75um
polarization_angle	0.0
polarization_direction	PARA
ps_converter	Retracted
radiator_id	11000
radiator_index	8
radiator_type	JD70-105 47um 0/90 deg
rtvs	{"%(DAQ_HOME)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq", "%(udl)": "cMsg://gluon41.jlab.org:45000/cMsg/hdops?cmsgpassword=hdops", "%(config)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/config/hd_all/FCAL_BCAL_PS_SRC_m9.conf", "%(OUT_FILE)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/DATA", "%(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", "%(CODA_ROL)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/vme/src/rol_hd", "%(rcdb)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/rcdb", "%(CODA_ROL2)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/vme/src/rol_2", "%(rn)": "90466"}
run_config	FCAL_BCAL_PS_SRC_m9.conf
run_end_time	2021-12-08 22:21:02
run_start_time	2021-12-08 22:20:01
run_type	hd_all.tsg_CC_HL
session	hdops
solenoid_current	831.502
status	-1
target_type	FULL & Ready Carbon
trigger_eq	[["PS", "35", "10", "1"], ["BCAL_E", "12", "20", "1"], ["BCAL_C", "20", "0", "0"], ["FCAL", "8", "10", "1"], ["ST", "31", "3", "1"], ["TOF", "20", "10", "0"], ["TAGH", "106", "0", "1"]]
trigger_type	[["BFCAL", "440", "5", "25", "1", "45000", "0", "-1", "200", "65535", "0", "65535"], ["BFCAL", "440", "5", "50", "5", "45000", "0", "0", "200", "65535", "0", "65535"], ["ST", "440", "5", "1300", "1900", "1100", "1", "0"], ["BFCAL", "440", "5", "4", "1", "60000", "0", "1", "200", "65535", "0", "65535"], ["BFCAL", "440", "5", "0", "1", "54000", "0", "-1"], ["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

Components

Name	Event count	Event rate	Data rate
DCBCAL	19801	330.3	506.13
DCCDCSTPS	19801	319.42	191.13
DCFCAL	19801	330.1	10785.41
DCFDC	19801	329.84	502.81
DCTAG	19801	319.36	330.57
ERsoftROC	19804	291.27	10873.01
ROCBCAL1	495	9.5	28.81
ROCBCAL2	495	9.16	27.75
ROCBCAL3	495	9.9	98.59
ROCBCAL4	495	9.15	27.76
ROCBCAL5	495	9.51	28.86
ROCBCAL6	495	9.9	100.66
ROCBCAL7	495	9.51	30.55
ROCBCAL8	495	9.52	28.84
ROCBCAL9	495	9.91	100.64
ROCBCAL10	495	9.16	27.5
ROCBCAL11	495	9.5	28.68
ROCBCAL12	495	9.9	100.41
ROCBCAL13	0	0.0	0.0
ROCBCAL14	0	0.0	0.0
ROCBCAL15	0	0.0	0.0
ROCBCAL16	0	0.0	0.0
ROCCCAL	495	9.39	8.17
ROCCDC1	495	9.88	31.25
ROCCDC2	495	9.5	27.49
ROCCDC3	495	9.9	29.1
ROCCDC4	495	9.89	31.29
ROCFCAL1	495	9.16	1029.5
ROCFCAL2	495	9.52	1061.87
ROCFCAL3	495	9.16	1030.32
ROCFCAL4	495	9.17	954.44
ROCFCAL5	495	9.17	1021.61
ROCFCAL6	495	9.15	948.19
ROCFCAL7	495	9.51	989.5
ROCFCAL8	495	9.52	1061.77
ROCFCAL9	495	9.49	984.69
ROCFCAL10	495	9.52	1070.13
ROCFCAL11	495	9.16	1021.59
ROCFCAL12	495	9.52	1070.32
ROCFDC1	495	9.9	111.09
ROCFDC2	495	9.89	33.17
ROCFDC3	495	9.89	31.71
ROCFDC4	495	9.89	96.36
ROCFDC5	495	9.52	30.57
ROCFDC6	495	9.9	33.47
ROCFDC7	495	9.88	34.62
ROCFDC8	495	9.51	30.67
ROCFDC9	495	9.52	33.15
ROCFDC10	495	9.9	33.57
ROCFDC11	495	9.87	33.14
ROCFDC12	495	9.91	31.93
ROCFDC13	495	9.89	101.02
ROCFDC14	495	9.89	96.52
ROCPS1	495	9.14	127.0
ROCPS2	495	9.49	22.6
ROCST	495	9.9	11.38
ROCSTPSC1	495	9.89	30.27
ROCSTPSC2	0	0.0	0.0
ROCTAGH1	495	9.16	8.69
ROCTAGH2	0	0.0	0.0
ROCTAGM1	495	9.52	8.0
ROCTAGM2	0	0.0	0.0
ROCTAGMH	495	9.87	120.92
ROCTOF1	495	9.16	8.49
ROCTOF2	495	9.89	103.74
ROCTOF3	0	0.0	0.0
ROCTRIG2	495	9.52	6.51
SEB0	19801	299.82	11189.29
TSG	495	10.86	10.49

Info:

is_valid_run_end	True
run_type	hd_all.tsg_CC_HL
run_config	FCAL_BCAL_PS_SRC_m9.conf
daq_setup	hd_all.tsg_CC_HL
daq_run	PHYSICS_SRC
daq_config	FCAL_BCAL_PS_SRC_m9.conf