Updates and enhancements to io.d to aid DTrace scripting
+ Add dev_type do devinfo_t + Add b_cmd to bufinfo_t + Add constants for BIO_* and DEVSTAT_TYPE_* + Add inline for converting BIO_* int to string + Add inline for converting DEVSTAT_TYPE_* int to string + Add mask for dev_type & DEVSTAT_TYPE_MASK to string + Add mask for dev_type & DEVSTAT_TYPE_IF_MASK to string Reviewed by: markj Sponsored by: Smule, Inc. Differential Revision: https://reviews.freebsd.org/D14396
This commit is contained in:
Devin Teske
parent
a241c14f9a
commit
03a3981b89
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=329914
@ -18,6 +18,8 @@
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*
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* CDDL HEADER END
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*
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* Portions Copyright 2018 Devin Teske dteske@freebsd.org
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*
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* $FreeBSD$
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*/
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/*
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@ -32,6 +34,7 @@ typedef struct devinfo {
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int dev_major; /* major number */
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int dev_minor; /* minor number */
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int dev_instance; /* instance number */
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int dev_type; /* type of device */
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string dev_name; /* name of device */
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string dev_statname; /* name of device + instance/minor */
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string dev_pathname; /* pathname of device */
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@ -42,12 +45,14 @@ translator devinfo_t < struct devstat *D > {
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dev_major = D->device_number;
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dev_minor = D->unit_number;
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dev_instance = 0;
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dev_type = D->device_type;
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dev_name = stringof(D->device_name);
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dev_statname = stringof(D->device_name);
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dev_pathname = stringof(D->device_name);
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};
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typedef struct bufinfo {
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int b_cmd; /* I/O operation */
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int b_flags; /* flags */
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long b_bcount; /* number of bytes */
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caddr_t b_addr; /* buffer address */
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@ -62,6 +67,7 @@ typedef struct bufinfo {
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#pragma D binding "1.0" translator
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translator bufinfo_t < struct bio *B > {
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b_cmd = B->bio_cmd;
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b_flags = B->bio_flags;
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b_bcount = B->bio_bcount;
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b_addr = B->bio_data;
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@ -105,3 +111,151 @@ inline int O_SYNC = 0x0080;
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#pragma D binding "1.1" O_SYNC
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inline int O_TRUNC = 0x0400;
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#pragma D binding "1.1" O_TRUNC
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/*
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* The following inline constants can be used to examine bio_cmd of struct bio
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* or a translated bufinfo_t.
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*/
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inline int BIO_READ = 0x01;
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#pragma D binding "1.13" BIO_READ
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inline int BIO_WRITE = 0x02;
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#pragma D binding "1.13" BIO_WRITE
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inline int BIO_DELETE = 0x03;
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#pragma D binding "1.13" BIO_DELETE
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inline int BIO_GETATTR = 0x04;
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#pragma D binding "1.13" BIO_GETATTR
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inline int BIO_FLUSH = 0x05;
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#pragma D binding "1.13" BIO_FLUSH
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inline int BIO_CMD0 = 0x06;
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#pragma D binding "1.13" BIO_CMD0
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inline int BIO_CMD1 = 0x07;
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#pragma D binding "1.13" BIO_CMD1
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inline int BIO_CMD2 = 0x08;
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#pragma D binding "1.13" BIO_CMD2
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inline int BIO_ZONE = 0x09;
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#pragma D binding "1.13" BIO_ZONE
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/*
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* The following inline constants can be used to examine bio_flags of struct
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* bio or a translated bufinfo_t.
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*/
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inline int BIO_ERROR = 0x01;
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#pragma D binding "1.13" BIO_ERROR
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inline int BIO_DONE = 0x02;
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#pragma D binding "1.13" BIO_DONE
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inline int BIO_ONQUEUE = 0x04;
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#pragma D binding "1.13" BIO_ONQUEUE
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inline int BIO_ORDERED = 0x08;
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#pragma D binding "1.13" BIO_ORDERED
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inline int BIO_UNMAPPED = 0x10;
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#pragma D binding "1.13" BIO_UNMAPPED
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inline int BIO_TRANSIENT_MAPPING = 0x20;
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#pragma D binding "1.13" BIO_TRANSIENT_MAPPING
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inline int BIO_VLIST = 0x40;
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#pragma D binding "1.13" BIO_VLIST
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/*
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* The following inline constants can be used to examine device_type of struct
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* devstat or a translated devinfo_t.
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*/
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inline int DEVSTAT_TYPE_DIRECT = 0x000;
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#pragma D binding "1.13" DEVSTAT_TYPE_DIRECT
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inline int DEVSTAT_TYPE_SEQUENTIAL = 0x001;
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#pragma D binding "1.13" DEVSTAT_TYPE_SEQUENTIAL
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inline int DEVSTAT_TYPE_PRINTER = 0x002;
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#pragma D binding "1.13" DEVSTAT_TYPE_PRINTER
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inline int DEVSTAT_TYPE_PROCESSOR = 0x003;
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#pragma D binding "1.13" DEVSTAT_TYPE_PROCESSOR
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inline int DEVSTAT_TYPE_WORM = 0x004;
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#pragma D binding "1.13" DEVSTAT_TYPE_WORM
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inline int DEVSTAT_TYPE_CDROM = 0x005;
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#pragma D binding "1.13" DEVSTAT_TYPE_CDROM
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inline int DEVSTAT_TYPE_SCANNER = 0x006;
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#pragma D binding "1.13" DEVSTAT_TYPE_SCANNER
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inline int DEVSTAT_TYPE_OPTICAL = 0x007;
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#pragma D binding "1.13" DEVSTAT_TYPE_OPTICAL
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inline int DEVSTAT_TYPE_CHANGER = 0x008;
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#pragma D binding "1.13" DEVSTAT_TYPE_CHANGER
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inline int DEVSTAT_TYPE_COMM = 0x009;
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#pragma D binding "1.13" DEVSTAT_TYPE_COMM
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inline int DEVSTAT_TYPE_ASC0 = 0x00a;
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#pragma D binding "1.13" DEVSTAT_TYPE_ASC0
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inline int DEVSTAT_TYPE_ASC1 = 0x00b;
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#pragma D binding "1.13" DEVSTAT_TYPE_ASC1
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inline int DEVSTAT_TYPE_STORARRAY = 0x00c;
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#pragma D binding "1.13" DEVSTAT_TYPE_STORARRAY
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inline int DEVSTAT_TYPE_ENCLOSURE = 0x00d;
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#pragma D binding "1.13" DEVSTAT_TYPE_ENCLOSURE
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inline int DEVSTAT_TYPE_FLOPPY = 0x00e;
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#pragma D binding "1.13" DEVSTAT_TYPE_FLOPPY
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inline int DEVSTAT_TYPE_MASK = 0x00f;
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#pragma D binding "1.13" DEVSTAT_TYPE_MASK
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inline int DEVSTAT_TYPE_IF_SCSI = 0x010;
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#pragma D binding "1.13" DEVSTAT_TYPE_IF_SCSI
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inline int DEVSTAT_TYPE_IF_IDE = 0x020;
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#pragma D binding "1.13" DEVSTAT_TYPE_IF_IDE
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inline int DEVSTAT_TYPE_IF_OTHER = 0x030;
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#pragma D binding "1.13" DEVSTAT_TYPE_IF_OTHER
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inline int DEVSTAT_TYPE_IF_MASK = 0x0f0;
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#pragma D binding "1.13" DEVSTAT_TYPE_IF_MASK
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inline int DEVSTAT_TYPE_PASS = 0x100;
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#pragma D binding "1.13" DEVSTAT_TYPE_PASS
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#pragma D binding "1.13" device_type_string
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inline string device_type_string[int type] =
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type == DEVSTAT_TYPE_DIRECT ? "DIRECT" :
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type == DEVSTAT_TYPE_SEQUENTIAL ? "SEQUENTIAL" :
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type == DEVSTAT_TYPE_PRINTER ? "PRINTER" :
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type == DEVSTAT_TYPE_PROCESSOR ? "PROCESSOR" :
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type == DEVSTAT_TYPE_WORM ? "WORM" :
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type == DEVSTAT_TYPE_CDROM ? "CDROM" :
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type == DEVSTAT_TYPE_SCANNER ? "SCANNER" :
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type == DEVSTAT_TYPE_OPTICAL ? "OPTICAL" :
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type == DEVSTAT_TYPE_CHANGER ? "CHANGER" :
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type == DEVSTAT_TYPE_COMM ? "COMM" :
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type == DEVSTAT_TYPE_ASC0 ? "ASC0" :
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type == DEVSTAT_TYPE_ASC1 ? "ASC1" :
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type == DEVSTAT_TYPE_STORARRAY ? "STORARRAY" :
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type == DEVSTAT_TYPE_ENCLOSURE ? "ENCLOSURE" :
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type == DEVSTAT_TYPE_FLOPPY ? "FLOPPY" :
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strjoin("UNKNOWN(", strjoin(lltostr(type), ")"));
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#pragma D binding "1.13" device_type
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inline string device_type[int type] =
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device_type_string[type & DEVSTAT_TYPE_MASK];
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#pragma D binding "1.13" device_if_string
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inline string device_if_string[int type] =
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type == 0 ? "ACCESS" :
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type == DEVSTAT_TYPE_IF_SCSI ? "SCSI" :
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type == DEVSTAT_TYPE_IF_IDE ? "IDE" :
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type == DEVSTAT_TYPE_IF_OTHER ? "OTHER" :
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strjoin("UNKNOWN(", strjoin(lltostr(type), ")"));
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#pragma D binding "1.13" device_if
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inline string device_if[int type] =
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device_if_string[type & DEVSTAT_TYPE_IF_MASK];
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#pragma D binding "1.13" bio_cmd_string
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inline string bio_cmd_string[int cmd] =
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cmd == BIO_READ ? "READ" :
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cmd == BIO_WRITE ? "WRITE" :
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cmd == BIO_DELETE ? "DELETE" :
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cmd == BIO_GETATTR ? "GETATTR" :
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cmd == BIO_FLUSH ? "FLUSH" :
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cmd == BIO_CMD0 ? "CMD0" :
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cmd == BIO_CMD1 ? "CMD1" :
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cmd == BIO_CMD2 ? "CMD2" :
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cmd == BIO_ZONE ? "ZONE" :
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strjoin("UNKNOWN(", strjoin(lltostr(cmd), ")"));
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#pragma D binding "1.13" bio_flag_string
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inline string bio_flag_string[int flag] =
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flag == BIO_ERROR ? "ERROR" :
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flag == BIO_DONE ? "DONE" :
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flag == BIO_ONQUEUE ? "ONQUEUE" :
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flag == BIO_ORDERED ? "ORDERED" :
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flag == BIO_UNMAPPED ? "UNMAPPED" :
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flag == BIO_TRANSIENT_MAPPING ? "TRANSIENT_MAPPING" :
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flag == BIO_VLIST ? "VLIST" :
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"";
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