/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM kyber #if !defined(_TRACE_KYBER_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_KYBER_H #include <linux/blkdev.h> #include <linux/tracepoint.h> #define DOMAIN_LEN 16 #define LATENCY_TYPE_LEN 8 TRACE_EVENT(kyber_latency, TP_PROTO(struct request_queue *q, const char *domain, const char *type, unsigned int percentile, unsigned int numerator, unsigned int denominator, unsigned int samples), TP_ARGS(q, domain, type, percentile, numerator, denominator, samples), TP_STRUCT__entry( __field( dev_t, dev ) __array( char, domain, DOMAIN_LEN ) __array( char, type, LATENCY_TYPE_LEN ) __field( u8, percentile ) __field( u8, numerator ) __field( u8, denominator ) __field( unsigned int, samples ) ), TP_fast_assign( __entry->dev = disk_devt(q->disk); strlcpy(__entry->domain, domain, sizeof(__entry->domain)); strlcpy(__entry->type, type, sizeof(__entry->type)); __entry->percentile = percentile; __entry->numerator = numerator; __entry->denominator = denominator; __entry->samples = samples; ), TP_printk("%d,%d %s %s p%u %u/%u samples=%u", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->domain, __entry->type, __entry->percentile, __entry->numerator, __entry->denominator, __entry->samples) ); TRACE_EVENT(kyber_adjust, TP_PROTO(struct request_queue *q, const char *domain, unsigned int depth), TP_ARGS(q, domain, depth), TP_STRUCT__entry( __field( dev_t, dev ) __array( char, domain, DOMAIN_LEN ) __field( unsigned int, depth ) ), TP_fast_assign( __entry->dev = disk_devt(q->disk); strlcpy(__entry->domain, domain, sizeof(__entry->domain)); __entry->depth = depth; ), TP_printk("%d,%d %s %u", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->domain, __entry->depth) ); TRACE_EVENT(kyber_throttled, TP_PROTO(struct request_queue *q, const char *domain), TP_ARGS(q, domain), TP_STRUCT__entry( __field( dev_t, dev ) __array( char, domain, DOMAIN_LEN ) ), TP_fast_assign( __entry->dev = disk_devt(q->disk); strlcpy(__entry->domain, domain, sizeof(__entry->domain)); ), TP_printk("%d,%d %s", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->domain) ); #define _TRACE_KYBER_H #endif /* _TRACE_KYBER_H */ /* This part must be outside protection */ #include <trace/define_trace.h>