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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-23 13:28:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-23 13:28:57 -0700 |
| commit | 4352b8aee98005853aa63f57d6377282de17a33f (patch) | |
| tree | 27614d7a9ef05c32d089004e104364ce42324837 /tools/perf/util/trace-event.h | |
| download | linux-stable-4352b8aee98005853aa63f57d6377282de17a33f.tar.gz linux-stable-4352b8aee98005853aa63f57d6377282de17a33f.zip | |
Merge tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linuxgrafted
Pull I3C updates from Alexandre Belloni:
"A new driver this cycle, for the AMD AXI I3C controller.
There are also new features such as IBI wakeup support, SETAASA device
discovery and ACPI support for the the DAA methods, meaning we can now
communicate with the SPD devices on DDR5 modules.
New driver:
- AMD AXI I3C master controller
Subsystem:
- I3C Common Command Code (CCC) handling improvements, especially
around GET CCCs
- SETAASA device discovery support
- ACPI support for all existing DAA methods like SETDASA, SETNEWDA as
well as I2C devices on I3C bus
- IBI-based wakeup support
Drivers:
- dw: SETAASA support
- mipi-i3c-hci: advertise IBI wakeup capability, AMD_PT I3C
controller support, PIO queue management support for HCI v1.2
- renesas: improve suspend to RAM support, add runtime PM support"
* tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (70 commits)
i3c: dw: reduce do_daa time if there's no client
i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller
i3c: mipi-i3c-hci: Add PIO queue management support for HCI v1.2
i3c: mipi-i3c-hci: Fix missing STAT_IBI_STATUS_THLD in PIO mode
i3c: dw: rename "pclk" to "apb" to match dt-binding
i3c: dw: make struct dw_i3c_cmd smaller
i3c: dw: use COMMAND_PORT_TRANSFER_ARG instead of hardcoding
i3c: renesas: Don't register devices when ENTDAA times out
i3c: master: dw-i3c-master: fix OD timing for first broadcast
i3c: mipi-i3c-hci: Advertise IBI wakeup capability
i3c: mipi-i3c-hci: Factor out i3c_hci_sysdev()
i3c: mipi-i3c-hci-pci: Propagate I3C wakeup requirements to PCI
i3c: master: Reject IBI requests from non-IBI-capable devices
i3c: master: Add helper to query bus wakeup requirements
i3c: master: Report wakeup events for IBIs
i3c: master: Support IBI-based wakeup capability
i3c: master: Fix potential UAF in i3c_device_match()
i3c: master: Fix potential UAF in i3c_device_uevent()
i3c: Make dev->desc locking assumptions explicit
i3c: master: Fix use-after-free of master->this
...
Diffstat (limited to 'tools/perf/util/trace-event.h')
| -rw-r--r-- | tools/perf/util/trace-event.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h new file mode 100644 index 000000000..720121c74 --- /dev/null +++ b/tools/perf/util/trace-event.h @@ -0,0 +1,162 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _PERF_UTIL_TRACE_EVENT_H +#define _PERF_UTIL_TRACE_EVENT_H + +#include <stdbool.h> +#include <stdio.h> +#include <sys/types.h> +#include <linux/types.h> + +struct evlist; +struct machine; +struct perf_sample; +union perf_event; +struct perf_tool; +struct thread; +struct tep_plugin_list; +struct evsel; +struct tep_format_field; + +struct trace_event { + struct tep_handle *pevent; + struct tep_plugin_list *plugin_list; +}; + +/* Computes a version number comparable with LIBTRACEEVENT_VERSION from Makefile.config. */ +#define MAKE_LIBTRACEEVENT_VERSION(a, b, c) ((a)*255*255+(b)*255+(c)) + +typedef char *(tep_func_resolver_t)(void *priv, + unsigned long long *addrp, char **modp); + +bool have_tracepoints(struct list_head *evlist); + +int trace_event__init(struct trace_event *t); +void trace_event__cleanup(struct trace_event *t); +int trace_event__register_resolver(struct machine *machine, + tep_func_resolver_t *func); +struct tep_event* +trace_event__tp_format(const char *sys, const char *name); + +struct tep_event *trace_event__tp_format_id(int id); + +void event_format__fprintf(const struct tep_event *event, + int cpu, void *data, int size, FILE *fp); + +int parse_ftrace_file(struct tep_handle *pevent, char *buf, unsigned long size); +int parse_event_file(struct tep_handle *pevent, + char *buf, unsigned long size, char *sys); + +unsigned long long +raw_field_value(struct tep_event *event, const char *name, void *data); + +const char *parse_task_states(struct tep_format_field *state_field); + +void parse_proc_kallsyms(struct tep_handle *pevent, char *file, unsigned int size); +void parse_ftrace_printk(struct tep_handle *pevent, char *file, unsigned int size); +void parse_saved_cmdline(struct tep_handle *pevent, char *file, unsigned int size); + +ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe); + +unsigned long long read_size(struct tep_event *event, void *ptr, int size); +unsigned long long eval_flag(const char *flag); + +int read_tracing_data(int fd, struct list_head *pattrs); + +/* + * Return the tracepoint name in the format "subsystem:event_name", + * callers should free the returned string. + */ +char *tracepoint_id_to_name(u64 config); + +struct tracing_data { + /* size is only valid if temp is 'true' */ + ssize_t size; + bool temp; + char temp_file[50]; +}; + +struct tracing_data *tracing_data_get(struct list_head *pattrs, + int fd, bool temp); +int tracing_data_put(struct tracing_data *tdata); + + +struct addr_location; + +struct perf_session; +struct perf_stat_config; + +struct scripting_ops { + const char *name; + const char *dirname; /* For script path .../scripts/<dirname>/... */ + int (*start_script)(const char *script, int argc, const char **argv, + struct perf_session *session); + int (*flush_script) (void); + int (*stop_script) (void); + void (*process_event) (union perf_event *event, + struct perf_sample *sample, + struct addr_location *al, + struct addr_location *addr_al); + void (*process_switch)(union perf_event *event, + struct perf_sample *sample, + struct machine *machine); + void (*process_auxtrace_error)(struct perf_session *session, + union perf_event *event); + void (*process_stat)(struct perf_stat_config *config, + struct evsel *evsel, u64 tstamp); + void (*process_stat_interval)(u64 tstamp); + void (*process_throttle)(union perf_event *event, + struct perf_sample *sample, + struct machine *machine); + int (*generate_script) (struct tep_handle *pevent, const char *outfile); +}; + +extern unsigned int scripting_max_stack; + +struct scripting_ops *script_spec__lookup(const char *spec); +int script_spec__for_each(int (*cb)(struct scripting_ops *ops, const char *spec)); + +void setup_perl_scripting(void); +void setup_python_scripting(void); + +struct scripting_context { + struct tep_handle *pevent; + void *event_data; + union perf_event *event; + struct perf_sample *sample; + struct addr_location *al; + struct addr_location *addr_al; + struct perf_session *session; +}; + +void scripting_context__update(struct scripting_context *scripting_context, + union perf_event *event, + struct perf_sample *sample, + struct addr_location *al, + struct addr_location *addr_al); + +int common_pc(struct scripting_context *context); +int common_flags(struct scripting_context *context); +int common_lock_depth(struct scripting_context *context); + +#define SAMPLE_FLAGS_BUF_SIZE 64 +#define SAMPLE_FLAGS_STR_ALIGNED_SIZE 21 + +int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz); + +#if defined(LIBTRACEEVENT_VERSION) && LIBTRACEEVENT_VERSION >= MAKE_LIBTRACEEVENT_VERSION(1, 5, 0) +#include <event-parse.h> + +static inline bool tep_field_is_relative(unsigned long flags) +{ + return (flags & TEP_FIELD_IS_RELATIVE) != 0; +} +#else +#include <linux/compiler.h> + +static inline bool tep_field_is_relative(unsigned long flags __maybe_unused) +{ + return false; +} +#endif + +#endif /* _PERF_UTIL_TRACE_EVENT_H */ |
