1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM kyber 4 5 #if !defined(_TRACE_KYBER_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_KYBER_H 7 8 #include <linux/blkdev.h> 9 #include <linux/tracepoint.h> 10 11 #define DOMAIN_LEN 16 12 #define LATENCY_TYPE_LEN 8 13 14 TRACE_EVENT(kyber_latency, 15 16 TP_PROTO(dev_t dev, const char *domain, const char *type, 17 unsigned int percentile, unsigned int numerator, 18 unsigned int denominator, unsigned int samples), 19 20 TP_ARGS(dev, domain, type, percentile, numerator, denominator, samples), 21 22 TP_STRUCT__entry( 23 __field( dev_t, dev ) 24 __array( char, domain, DOMAIN_LEN ) 25 __array( char, type, LATENCY_TYPE_LEN ) 26 __field( u8, percentile ) 27 __field( u8, numerator ) 28 __field( u8, denominator ) 29 __field( unsigned int, samples ) 30 ), 31 32 TP_fast_assign( 33 __entry->dev = dev; 34 strlcpy(__entry->domain, domain, sizeof(__entry->domain)); 35 strlcpy(__entry->type, type, sizeof(__entry->type)); 36 __entry->percentile = percentile; 37 __entry->numerator = numerator; 38 __entry->denominator = denominator; 39 __entry->samples = samples; 40 ), 41 42 TP_printk("%d,%d %s %s p%u %u/%u samples=%u", 43 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->domain, 44 __entry->type, __entry->percentile, __entry->numerator, 45 __entry->denominator, __entry->samples) 46 ); 47 48 TRACE_EVENT(kyber_adjust, 49 50 TP_PROTO(dev_t dev, const char *domain, unsigned int depth), 51 52 TP_ARGS(dev, domain, depth), 53 54 TP_STRUCT__entry( 55 __field( dev_t, dev ) 56 __array( char, domain, DOMAIN_LEN ) 57 __field( unsigned int, depth ) 58 ), 59 60 TP_fast_assign( 61 __entry->dev = dev; 62 strlcpy(__entry->domain, domain, sizeof(__entry->domain)); 63 __entry->depth = depth; 64 ), 65 66 TP_printk("%d,%d %s %u", 67 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->domain, 68 __entry->depth) 69 ); 70 71 TRACE_EVENT(kyber_throttled, 72 73 TP_PROTO(dev_t dev, const char *domain), 74 75 TP_ARGS(dev, domain), 76 77 TP_STRUCT__entry( 78 __field( dev_t, dev ) 79 __array( char, domain, DOMAIN_LEN ) 80 ), 81 82 TP_fast_assign( 83 __entry->dev = dev; 84 strlcpy(__entry->domain, domain, sizeof(__entry->domain)); 85 ), 86 87 TP_printk("%d,%d %s", MAJOR(__entry->dev), MINOR(__entry->dev), 88 __entry->domain) 89 ); 90 91 #define _TRACE_KYBER_H 92 #endif /* _TRACE_KYBER_H */ 93 94 /* This part must be outside protection */ 95 #include <trace/define_trace.h> 96