96 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#undef TRACE_SYSTEM3#define TRACE_SYSTEM kyber4 5#if !defined(_TRACE_KYBER_H) || defined(TRACE_HEADER_MULTI_READ)6#define _TRACE_KYBER_H7 8#include <linux/blkdev.h>9#include <linux/tracepoint.h>10 11#define DOMAIN_LEN 1612#define LATENCY_TYPE_LEN 813 14TRACE_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 strscpy(__entry->domain, domain, sizeof(__entry->domain));35 strscpy(__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 48TRACE_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 strscpy(__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 71TRACE_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 strscpy(__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_H92#endif /* _TRACE_KYBER_H */93 94/* This part must be outside protection */95#include <trace/define_trace.h>96