Contributors: 6
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Chao Peng |
67 |
40.61% |
1 |
14.29% |
| Takao Indoh |
38 |
23.03% |
1 |
14.29% |
| Luwei Kang |
33 |
20.00% |
2 |
28.57% |
| Alexander Shishkin |
25 |
15.15% |
1 |
14.29% |
| Ingo Molnar |
1 |
0.61% |
1 |
14.29% |
| Greg Kroah-Hartman |
1 |
0.61% |
1 |
14.29% |
| Total |
165 |
|
7 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_INTEL_PT_H
#define _ASM_X86_INTEL_PT_H
#define PT_CPUID_LEAVES 2
#define PT_CPUID_REGS_NUM 4 /* number of registers (eax, ebx, ecx, edx) */
enum pt_capabilities {
PT_CAP_max_subleaf = 0,
PT_CAP_cr3_filtering,
PT_CAP_psb_cyc,
PT_CAP_ip_filtering,
PT_CAP_mtc,
PT_CAP_ptwrite,
PT_CAP_power_event_trace,
PT_CAP_topa_output,
PT_CAP_topa_multiple_entries,
PT_CAP_single_range_output,
PT_CAP_output_subsys,
PT_CAP_payloads_lip,
PT_CAP_num_address_ranges,
PT_CAP_mtc_periods,
PT_CAP_cycle_thresholds,
PT_CAP_psb_periods,
};
#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_CPU_SUP_INTEL)
void cpu_emergency_stop_pt(void);
extern u32 intel_pt_validate_hw_cap(enum pt_capabilities cap);
extern u32 intel_pt_validate_cap(u32 *caps, enum pt_capabilities cap);
extern int is_intel_pt_event(struct perf_event *event);
#else
static inline void cpu_emergency_stop_pt(void) {}
static inline u32 intel_pt_validate_hw_cap(enum pt_capabilities cap) { return 0; }
static inline u32 intel_pt_validate_cap(u32 *caps, enum pt_capabilities capability) { return 0; }
static inline int is_intel_pt_event(struct perf_event *event) { return 0; }
#endif
#endif /* _ASM_X86_INTEL_PT_H */