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authorSiddhesh Poyarekar <siddhesh@sourceware.org>2017-05-17 13:11:00 +0530
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2017-05-17 13:11:00 +0530
commitd13103074ab5c7614eeb94f88a61803ed8f3e878 (patch)
tree20c7b4c429edc658f7095cee63e9e6e8c4e18e19 /scripts
parentc79a72aa5cb8357c216a71015c7448a9259c8531 (diff)
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tunables: Specify a default value for tunables
Enhance dl-tunables.list to allow specifying a default value for a tunable that it would be initialized to. * scripts/gen-tunables.awk: Recognize 'default' keyword in dl-tunables.list. * README.tunables: Document it.
Diffstat (limited to 'scripts')
-rw-r--r--scripts/gen-tunables.awk12
1 files changed, 10 insertions, 2 deletions
diff --git a/scripts/gen-tunables.awk b/scripts/gen-tunables.awk
index defb3e7..b10b00e 100644
--- a/scripts/gen-tunables.awk
+++ b/scripts/gen-tunables.awk
@@ -113,6 +113,14 @@ $1 == "}" {
exit 1
}
}
+ else if (attr == "default") {
+ if (types[top_ns][ns][tunable] == "STRING") {
+ default_val[top_ns][ns][tunable] = sprintf(".strval = \"%s\"", val);
+ }
+ else {
+ default_val[top_ns][ns][tunable] = sprintf(".numval = %s", val)
+ }
+ }
}
END {
@@ -146,9 +154,9 @@ END {
for (n in types[t]) {
for (m in types[t][n]) {
printf (" {TUNABLE_NAME_S(%s, %s, %s)", t, n, m)
- printf (", {TUNABLE_TYPE_%s, %s, %s}, {.numval = 0}, NULL, TUNABLE_SECLEVEL_%s, %s},\n",
+ printf (", {TUNABLE_TYPE_%s, %s, %s}, {%s}, NULL, TUNABLE_SECLEVEL_%s, %s},\n",
types[t][n][m], minvals[t][n][m], maxvals[t][n][m],
- security_level[t][n][m], env_alias[t][n][m]);
+ default_val[t][n][m], security_level[t][n][m], env_alias[t][n][m]);
}
}
}