diff options
Diffstat (limited to 'usr/src/cmd/ptools/pmadvise/pmadvise.c')
| -rw-r--r-- | usr/src/cmd/ptools/pmadvise/pmadvise.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/usr/src/cmd/ptools/pmadvise/pmadvise.c b/usr/src/cmd/ptools/pmadvise/pmadvise.c index 8500a00dc6..6b9623508a 100644 --- a/usr/src/cmd/ptools/pmadvise/pmadvise.c +++ b/usr/src/cmd/ptools/pmadvise/pmadvise.c @@ -25,6 +25,10 @@ */ /* + * Copyright (c) 2015, Joyent, Inc. All rights reserved. + */ + +/* * pmadvise * * ptool wrapper for madvise(3C) to apply memory advice to running processes @@ -153,7 +157,7 @@ * Advice that can be passed to madvise fit into three groups that each * contain 3 mutually exclusive options. These groups are defined below: * Group 1: normal, random, sequential - * Group 2: willneed, dontneed, free + * Group 2: willneed, dontneed, free, purge * Group 3: default, accesslwp, accessmany * Thus, advice that includes (at most) one from each group is valid. * @@ -164,7 +168,7 @@ #define GRP1_ADV (1 << MADV_NORMAL | 1 << MADV_RANDOM | \ 1 << MADV_SEQUENTIAL) #define GRP2_ADV (1 << MADV_WILLNEED | 1 << MADV_DONTNEED | \ - 1 << MADV_FREE) + 1 << MADV_FREE | 1 << MADV_PURGE) #define GRP3_ADV (1 << MADV_ACCESS_DEFAULT | 1 << MADV_ACCESS_LWP | \ 1 << MADV_ACCESS_MANY) @@ -346,6 +350,8 @@ get_advice(char *optarg) return (1 << MADV_NORMAL); else if (strcmp(optarg, "free") == 0) return (1 << MADV_FREE); + else if (strcmp(optarg, "purge") == 0) + return (1 << MADV_PURGE); else { (void) fprintf(stderr, gettext("%s: invalid advice: %s\n"), progname, optarg); @@ -676,7 +682,7 @@ apply_advice(saddr_t **advicelist) * with the for loop. */ if (psaddr->adv != NO_ADVICE) { - for (i = MADV_NORMAL; i <= MADV_ACCESS_MANY; i++) { + for (i = MADV_NORMAL; i <= MADV_PURGE; i++) { if ((psaddr->adv & (1 << i)) && (pr_madvise(Pr, (caddr_t)psaddr->addr, psaddr->length, i) < 0)) { @@ -898,7 +904,7 @@ advtostr(int adv) *buf = '\0'; if (adv != NO_ADVICE) { - for (i = MADV_NORMAL; i <= MADV_ACCESS_MANY; i++) { + for (i = MADV_NORMAL; i <= MADV_PURGE; i++) { if (adv & (1 << i)) { /* * check if it's the first advice entry |