From e8f913f14fe3078cf047207036af4e7944e194b3 Mon Sep 17 00:00:00 2001 From: markj Date: Tue, 13 Feb 2018 22:43:07 +0000 Subject: MFC r327888, r327972, r327973: Add "jid" and "jailname" variables to DTrace. --- .../dtrace/test/tst/common/safety/tst.jailname.d | 44 ++++++++++++++++++++++ .../cmd/dtrace/test/tst/common/safety/tst.jid.d | 44 ++++++++++++++++++++++ .../opensolaris/lib/libdtrace/common/dt_open.c | 8 +++- cddl/usr.sbin/dtrace/tests/common/safety/Makefile | 2 + cddl/usr.sbin/dtrace/tests/tools/exclude.sh | 1 - .../contrib/opensolaris/uts/common/dtrace/dtrace.c | 18 +++++++++ .../contrib/opensolaris/uts/common/sys/dtrace.h | 2 + 7 files changed, 116 insertions(+), 3 deletions(-) create mode 100644 cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/safety/tst.jailname.d create mode 100644 cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/safety/tst.jid.d diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/safety/tst.jailname.d b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/safety/tst.jailname.d new file mode 100644 index 0000000..5256a10 --- /dev/null +++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/safety/tst.jailname.d @@ -0,0 +1,44 @@ +/* + * This file and its contents are supplied under the terms of the + * Common Development and Distribution License ("CDDL"), version 1.0. + * You may only use this file in accordance with the terms version + * 1.0 of the CDDL. + * + * A full copy of the text of the CDDL should have accompanied this + * source. A copy of the CDDL is also available via the Internet at + * http://www.illumos.org/license/CDDL. + */ + +/* + * Copyright 2018 Domagoj Stolfa . + * + * This software was developed by BAE Systems, the University of Cambridge + * Computer Laboratory, and Memorial University under DARPA/AFRL contract + * FA8650-15-C-7558 ("CADETS"), as part of the DARPA Transparent Computing + * (TC) research program. + * + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/* + * ASSERTION: + * collect jailname at every fbt probe and at every firing of a + * high-frequency profile probe + */ + +fbt::: +{ + @a[jailname] = count(); +} + +profile-4999hz +{ + @a[jailname] = count(); +} + +tick-1sec +/n++ == 10/ +{ + exit(0); +} diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/safety/tst.jid.d b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/safety/tst.jid.d new file mode 100644 index 0000000..034de93 --- /dev/null +++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/safety/tst.jid.d @@ -0,0 +1,44 @@ +/* + * This file and its contents are supplied under the terms of the + * Common Development and Distribution License ("CDDL"), version 1.0. + * You may only use this file in accordance with the terms version + * 1.0 of the CDDL. + * + * A full copy of the text of the CDDL should have accompanied this + * source. A copy of the CDDL is also available via the Internet at + * http://www.illumos.org/license/CDDL. + */ + +/* + * Copyright 2018 Domagoj Stolfa . + * + * This software was developed by BAE Systems, the University of Cambridge + * Computer Laboratory, and Memorial University under DARPA/AFRL contract + * FA8650-15-C-7558 ("CADETS"), as part of the DARPA Transparent Computing + * (TC) research program. + * + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/* + * ASSERTION: + * collect jid at every fbt probe and at every firing of a + * high-frequency profile probe + */ + +fbt::: +{ + @a[jid] = count(); +} + +profile-4999hz +{ + @a[jid] = count(); +} + +tick-1sec +/n++ == 10/ +{ + exit(0); +} diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_open.c b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_open.c index 3278a53..aa8f992 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_open.c +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_open.c @@ -311,6 +311,12 @@ static const dt_ident_t _dtrace_globals[] = { DT_VERS_1_5, &dt_idops_func, "string(int, void *)" }, { "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "uint_t" }, +#ifdef __FreeBSD__ +{ "jailname", DT_IDENT_SCALAR, 0, DIF_VAR_JAILNAME, + DT_ATTR_STABCMN, DT_VERS_1_13, &dt_idops_type, "string" }, +{ "jid", DT_IDENT_SCALAR, 0, DIF_VAR_JID, DT_ATTR_STABCMN, DT_VERS_1_13, + &dt_idops_type, "int" }, +#endif { "json", DT_IDENT_FUNC, 0, DIF_SUBR_JSON, DT_ATTR_STABCMN, DT_VERS_1_11, &dt_idops_func, "string(const char *, const char *)" }, { "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, @@ -530,10 +536,8 @@ static const dt_ident_t _dtrace_globals[] = { { "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "int64_t" }, -#ifdef illumos { "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, -#endif #ifndef illumos { "cpu", DT_IDENT_SCALAR, 0, DIF_VAR_CPU, diff --git a/cddl/usr.sbin/dtrace/tests/common/safety/Makefile b/cddl/usr.sbin/dtrace/tests/common/safety/Makefile index 5056260..51b302f 100644 --- a/cddl/usr.sbin/dtrace/tests/common/safety/Makefile +++ b/cddl/usr.sbin/dtrace/tests/common/safety/Makefile @@ -19,6 +19,8 @@ ${PACKAGE}FILES= \ tst.gid.d \ tst.hton.d \ tst.index.d \ + tst.jailname.d \ + tst.jid.d \ tst.msgdsize.d \ tst.msgsize.d \ tst.null.d \ diff --git a/cddl/usr.sbin/dtrace/tests/tools/exclude.sh b/cddl/usr.sbin/dtrace/tests/tools/exclude.sh index 819f68f..309e00c 100755 --- a/cddl/usr.sbin/dtrace/tests/tools/exclude.sh +++ b/cddl/usr.sbin/dtrace/tests/tools/exclude.sh @@ -41,7 +41,6 @@ exclude EXFAIL common/misc/tst.include.ksh exclude EXFAIL common/safety/tst.copyin2.d exclude EXFAIL common/safety/tst.msgdsize.d exclude EXFAIL common/safety/tst.msgsize.d -exclude EXFAIL common/safety/tst.zonename.d exclude EXFAIL common/scalars/tst.misc.d exclude EXFAIL common/scalars/tst.selfarray2.d exclude EXFAIL common/sched/tst.enqueue.d diff --git a/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c b/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c index 21e430c..5d9a06d 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c +++ b/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c @@ -3537,6 +3537,24 @@ dtrace_dif_variable(dtrace_mstate_t *mstate, dtrace_state_t *state, uint64_t v, return (dtrace_dif_varstr( (uintptr_t)curthread->t_procp->p_zone->zone_name, state, mstate)); +#elif defined(__FreeBSD__) + /* + * On FreeBSD, we introduce compatibility to zonename by falling through + * into jailname. + */ + case DIF_VAR_JAILNAME: + if (!dtrace_priv_kernel(state)) + return (0); + + return (dtrace_dif_varstr( + (uintptr_t)curthread->td_ucred->cr_prison->pr_name, + state, mstate)); + + case DIF_VAR_JID: + if (!dtrace_priv_kernel(state)) + return (0); + + return ((uint64_t)curthread->td_ucred->cr_prison->pr_id); #else return (0); #endif diff --git a/sys/cddl/contrib/opensolaris/uts/common/sys/dtrace.h b/sys/cddl/contrib/opensolaris/uts/common/sys/dtrace.h index 21c1e89..ef33a56 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/sys/dtrace.h +++ b/sys/cddl/contrib/opensolaris/uts/common/sys/dtrace.h @@ -254,6 +254,8 @@ typedef enum dtrace_probespec { #define DIF_VAR_GID 0x011f /* process group ID */ #define DIF_VAR_ERRNO 0x0120 /* thread errno */ #define DIF_VAR_EXECARGS 0x0121 /* process arguments */ +#define DIF_VAR_JID 0x0122 /* process jail id */ +#define DIF_VAR_JAILNAME 0x0123 /* process jail name */ #ifndef illumos #define DIF_VAR_CPU 0x0200 -- cgit v1.1