diff options
| author | Martin Pieuchot <mpi@cvs.openbsd.org> | 2021-04-22 09:36:40 +0000 |
|---|---|---|
| committer | Martin Pieuchot <mpi@cvs.openbsd.org> | 2021-04-22 09:36:40 +0000 |
| commit | fb3045c11367a3ffa9b8398cf9cecbce98e8711c (patch) | |
| tree | f8e8bc8da583bd7035fb29c587b3a2e54504d865 /usr.sbin/btrace/bt_parse.y | |
| parent | ca0ea78defe5a55b440d4886d29eb2ec4b440f51 (diff) | |
Remove support for in-kernel filters.
This might be added back in a future if copying events to userland becomes
a performance issue. However note that it is not always possible to filter
in-kernel if, for example. a variable has to be evaluated when a rule fires.
Diffstat (limited to 'usr.sbin/btrace/bt_parse.y')
| -rw-r--r-- | usr.sbin/btrace/bt_parse.y | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/usr.sbin/btrace/bt_parse.y b/usr.sbin/btrace/bt_parse.y index 44f4204051f..6a4aa5d8361 100644 --- a/usr.sbin/btrace/bt_parse.y +++ b/usr.sbin/btrace/bt_parse.y @@ -1,4 +1,4 @@ -/* $OpenBSD: bt_parse.y,v 1.29 2021/04/21 10:53:17 mpi Exp $ */ +/* $OpenBSD: bt_parse.y,v 1.30 2021/04/22 09:36:39 mpi Exp $ */ /* * Copyright (c) 2019-2021 Martin Pieuchot <mpi@openbsd.org> @@ -58,7 +58,6 @@ SLIST_HEAD(, bt_var) l_variables; struct bt_rule *br_new(struct bt_probe *, struct bt_filter *, struct bt_stmt *, enum bt_rtype); -struct bt_filter *bf_new(enum bt_argtype, enum bt_filtervar, int); struct bt_probe *bp_new(const char *, const char *, const char *, int32_t); struct bt_arg *ba_append(struct bt_arg *, struct bt_arg *); struct bt_arg *ba_op(enum bt_argtype, struct bt_arg *, struct bt_arg *); @@ -121,7 +120,7 @@ static int pflag; %type <v.string> gvar lvar %type <v.number> staticval -%type <v.i> fval testop binop builtin +%type <v.i> testop binop builtin %type <v.i> BUILTIN F_DELETE F_PRINT FUNC0 FUNC1 FUNCN OP1 OP4 %type <v.i> MOP0 MOP1 %type <v.probe> probe probename @@ -156,11 +155,6 @@ probename : STRING ':' STRING ':' STRING { $$ = bp_new($1, $3, $5, 0); } | STRING ':' HZ ':' NUMBER { $$ = bp_new($1, "hz", NULL, $5); } ; - -fval : PID { $$ = B_FV_PID; } - | TID { $$ = B_FV_TID; } - ; - testop : OP_EQ { $$ = B_AT_OP_EQ; } | OP_NE { $$ = B_AT_OP_NE; } | OP_LE { $$ = B_AT_OP_LE; } @@ -301,25 +295,6 @@ br_new(struct bt_probe *probe, struct bt_filter *filter, struct bt_stmt *head, return br; } -/* Create a new event filter */ -struct bt_filter * -bf_new(enum bt_argtype op, enum bt_filtervar var, int val) -{ - struct bt_filter *bf; - - if (val < 0 || val > INT_MAX) - errx(1, "invalid pid '%d'", val); - - bf = calloc(1, sizeof(*bf)); - if (bf == NULL) - err(1, "bt_filter: calloc"); - bf->bf_evtfilter.bf_op = op; - bf->bf_evtfilter.bf_var = var; - bf->bf_evtfilter.bf_val = val; - - return bf; -} - /* Create a new condition */ struct bt_filter * bc_new(struct bt_arg *term, enum bt_argtype op, struct bt_arg *ba) |