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Release 4.14 arch/alpha/include/asm/wrperfmon.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Definitions for use with the Alpha wrperfmon PAL call.
 */

#ifndef __ALPHA_WRPERFMON_H

#define __ALPHA_WRPERFMON_H

/* Following commands are implemented on all CPUs */

#define PERFMON_CMD_DISABLE 0

#define PERFMON_CMD_ENABLE 1

#define PERFMON_CMD_DESIRED_EVENTS 2

#define PERFMON_CMD_LOGGING_OPTIONS 3
/* Following commands on EV5/EV56/PCA56 only */

#define PERFMON_CMD_INT_FREQ 4

#define PERFMON_CMD_ENABLE_CLEAR 7
/* Following commands are on EV5 and better CPUs */

#define PERFMON_CMD_READ 5

#define PERFMON_CMD_WRITE 6
/* Following command are on EV6 and better CPUs */

#define PERFMON_CMD_ENABLE_WRITE 7
/* Following command are on EV67 and better CPUs */

#define PERFMON_CMD_I_STAT 8

#define PERFMON_CMD_PMPC 9


/* EV5/EV56/PCA56 Counters */

#define EV5_PCTR_0 (1UL<<0)

#define EV5_PCTR_1 (1UL<<1)

#define EV5_PCTR_2 (1UL<<2)


#define EV5_PCTR_0_COUNT_SHIFT 48

#define EV5_PCTR_1_COUNT_SHIFT 32

#define EV5_PCTR_2_COUNT_SHIFT 16


#define EV5_PCTR_0_COUNT_MASK 0xffffUL

#define EV5_PCTR_1_COUNT_MASK 0xffffUL

#define EV5_PCTR_2_COUNT_MASK 0x3fffUL

/* EV6 Counters */

#define EV6_PCTR_0 (1UL<<0)

#define EV6_PCTR_1 (1UL<<1)


#define EV6_PCTR_0_COUNT_SHIFT 28

#define EV6_PCTR_1_COUNT_SHIFT 6


#define EV6_PCTR_0_COUNT_MASK 0xfffffUL

#define EV6_PCTR_1_COUNT_MASK 0xfffffUL

/* EV67 (and subsequent) counters */

#define EV67_PCTR_0 (1UL<<0)

#define EV67_PCTR_1 (1UL<<1)


#define EV67_PCTR_0_COUNT_SHIFT 28

#define EV67_PCTR_1_COUNT_SHIFT 6


#define EV67_PCTR_0_COUNT_MASK 0xfffffUL

#define EV67_PCTR_1_COUNT_MASK 0xfffffUL


/*
 * The Alpha Architecure Handbook, vers. 4 (1998) appears to have a misprint
 *  in Table E-23 regarding the bits that set the event PCTR 1 counts.
 *  Hopefully what we have here is correct.
 */

#define EV6_PCTR_0_EVENT_MASK 0x10UL

#define EV6_PCTR_1_EVENT_MASK 0x0fUL

/* EV6 Events */

#define EV6_PCTR_0_CYCLES (0UL << 4)

#define EV6_PCTR_0_INSTRUCTIONS (1UL << 4)


#define EV6_PCTR_1_CYCLES 0

#define EV6_PCTR_1_BRANCHES 1

#define EV6_PCTR_1_BRANCH_MISPREDICTS 2

#define EV6_PCTR_1_DTB_SINGLE_MISSES 3

#define EV6_PCTR_1_DTB_DOUBLE_MISSES 4

#define EV6_PCTR_1_ITB_MISSES 5

#define EV6_PCTR_1_UNALIGNED_TRAPS 6

#define EV6_PCTR_1_REPLY_TRAPS 7

/* From the Alpha Architecture Reference Manual, 4th edn., 2002 */

#define EV67_PCTR_MODE_MASK 0x10UL

#define EV67_PCTR_EVENT_MASK 0x0CUL


#define EV67_PCTR_MODE_PROFILEME (1UL<<4)

#define EV67_PCTR_MODE_AGGREGATE (0UL<<4)


#define EV67_PCTR_INSTR_CYCLES (0UL<<2)

#define EV67_PCTR_CYCLES_UNDEF (1UL<<2)

#define EV67_PCTR_INSTR_BCACHEMISS (2UL<<2)

#define EV67_PCTR_CYCLES_MBOX (3UL<<2)

#endif

Overall Contributors

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Michael Cree22899.56%150.00%
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